Home / 27,068.36-37,355.16-15,132.20

Finding the Fourth Proportional to 27,068.36, 37,355.16 and 15,132.20

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Solution

The fourth proportional to 27,068.36, 37,355.16 and 15,132.20 is: 20,882.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,068.36 : 37,355.16 = 15,132.20 : x
  2. Step 2: Convert to fraction form
    27,068.36/37,355.16 = 15,132.20/x
  3. Step 3: Cross multiply
    27,068.36x = 37,355.16 × 15,132.20
  4. Step 4: Simplify right side
    27,068.36x = 565,265,565.38
  5. Step 5: Solve for x
    x = 565,265,565.38/27,068.36
  6. Step 6: Final answer
    x = 20,882.89

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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.