Home / 27,060.31-37,343.11-15,123.64

Finding the Fourth Proportional to 27,060.31, 37,343.11 and 15,123.64

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Solution

The fourth proportional to 27,060.31, 37,343.11 and 15,123.64 is: 20,870.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,060.31 : 37,343.11 = 15,123.64 : x
  2. Step 2: Convert to fraction form
    27,060.31/37,343.11 = 15,123.64/x
  3. Step 3: Cross multiply
    27,060.31x = 37,343.11 × 15,123.64
  4. Step 4: Simplify right side
    27,060.31x = 564,763,752.12
  5. Step 5: Solve for x
    x = 564,763,752.12/27,060.31
  6. Step 6: Final answer
    x = 20,870.56

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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.