Home / 15,369.30-23,005.35-8,331.75

Finding the Fourth Proportional to 15,369.30, 23,005.35 and 8,331.75

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Solution

The fourth proportional to 15,369.30, 23,005.35 and 8,331.75 is: 12,471.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,369.30 : 23,005.35 = 8,331.75 : x
  2. Step 2: Convert to fraction form
    15,369.30/23,005.35 = 8,331.75/x
  3. Step 3: Cross multiply
    15,369.30x = 23,005.35 × 8,331.75
  4. Step 4: Simplify right side
    15,369.30x = 191,674,824.86
  5. Step 5: Solve for x
    x = 191,674,824.86/15,369.30
  6. Step 6: Final answer
    x = 12,471.28

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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.