Home / 27,720.96-38,254.94-14,974.14

Finding the Fourth Proportional to 27,720.96, 38,254.94 and 14,974.14

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Solution

The fourth proportional to 27,720.96, 38,254.94 and 14,974.14 is: 20,664.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,720.96 : 38,254.94 = 14,974.14 : x
  2. Step 2: Convert to fraction form
    27,720.96/38,254.94 = 14,974.14/x
  3. Step 3: Cross multiply
    27,720.96x = 38,254.94 × 14,974.14
  4. Step 4: Simplify right side
    27,720.96x = 572,834,989.43
  5. Step 5: Solve for x
    x = 572,834,989.43/27,720.96
  6. Step 6: Final answer
    x = 20,664.33

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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.