Home / 25,501.10-38,251.74-8,861.28

Finding the Fourth Proportional to 25,501.10, 38,251.74 and 8,861.28

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Solution

The fourth proportional to 25,501.10, 38,251.74 and 8,861.28 is: 13,291.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,501.10 : 38,251.74 = 8,861.28 : x
  2. Step 2: Convert to fraction form
    25,501.10/38,251.74 = 8,861.28/x
  3. Step 3: Cross multiply
    25,501.10x = 38,251.74 × 8,861.28
  4. Step 4: Simplify right side
    25,501.10x = 338,959,374.85
  5. Step 5: Solve for x
    x = 338,959,374.85/25,501.10
  6. Step 6: Final answer
    x = 13,291.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.