Home / 27,146.52-37,462.05-15,209.55

Finding the Fourth Proportional to 27,146.52, 37,462.05 and 15,209.55

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Solution

The fourth proportional to 27,146.52, 37,462.05 and 15,209.55 is: 20,989.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,146.52 : 37,462.05 = 15,209.55 : x
  2. Step 2: Convert to fraction form
    27,146.52/37,462.05 = 15,209.55/x
  3. Step 3: Cross multiply
    27,146.52x = 37,462.05 × 15,209.55
  4. Step 4: Simplify right side
    27,146.52x = 569,780,922.58
  5. Step 5: Solve for x
    x = 569,780,922.58/27,146.52
  6. Step 6: Final answer
    x = 20,989.10

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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.