Home / 25,331.08-34,956.98-14,722.76

Finding the Fourth Proportional to 25,331.08, 34,956.98 and 14,722.76

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Solution

The fourth proportional to 25,331.08, 34,956.98 and 14,722.76 is: 20,317.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,331.08 : 34,956.98 = 14,722.76 : x
  2. Step 2: Convert to fraction form
    25,331.08/34,956.98 = 14,722.76/x
  3. Step 3: Cross multiply
    25,331.08x = 34,956.98 × 14,722.76
  4. Step 4: Simplify right side
    25,331.08x = 514,663,226.86
  5. Step 5: Solve for x
    x = 514,663,226.86/25,331.08
  6. Step 6: Final answer
    x = 20,317.46

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Half scale
Find fourth proportional to 50,662.16, 69,913.96 and 29,445.52
Double scale
Find fourth proportional to 25,332.08, 34,958.36 and 14,723.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.