Home / 38,874.28-58,301.68-11,172.28

Finding the Fourth Proportional to 38,874.28, 58,301.68 and 11,172.28

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Solution

The fourth proportional to 38,874.28, 58,301.68 and 11,172.28 is: 16,755.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,874.28 : 58,301.68 = 11,172.28 : x
  2. Step 2: Convert to fraction form
    38,874.28/58,301.68 = 11,172.28/x
  3. Step 3: Cross multiply
    38,874.28x = 58,301.68 × 11,172.28
  4. Step 4: Simplify right side
    38,874.28x = 651,362,693.43
  5. Step 5: Solve for x
    x = 651,362,693.43/38,874.28
  6. Step 6: Final answer
    x = 16,755.62

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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.