Home / 27,134.27-37,445.40-15,811.53

Finding the Fourth Proportional to 27,134.27, 37,445.40 and 15,811.53

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Solution

The fourth proportional to 27,134.27, 37,445.40 and 15,811.53 is: 21,819.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,134.27 : 37,445.40 = 15,811.53 : x
  2. Step 2: Convert to fraction form
    27,134.27/37,445.40 = 15,811.53/x
  3. Step 3: Cross multiply
    27,134.27x = 37,445.40 × 15,811.53
  4. Step 4: Simplify right side
    27,134.27x = 592,069,065.46
  5. Step 5: Solve for x
    x = 592,069,065.46/27,134.27
  6. Step 6: Final answer
    x = 21,819.97

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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.