Home / 27,060.40-37,344.54-15,123.70

Finding the Fourth Proportional to 27,060.40, 37,344.54 and 15,123.70

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Solution

The fourth proportional to 27,060.40, 37,344.54 and 15,123.70 is: 20,871.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,060.40 : 37,344.54 = 15,123.70 : x
  2. Step 2: Convert to fraction form
    27,060.40/37,344.54 = 15,123.70/x
  3. Step 3: Cross multiply
    27,060.40x = 37,344.54 × 15,123.70
  4. Step 4: Simplify right side
    27,060.40x = 564,787,619.60
  5. Step 5: Solve for x
    x = 564,787,619.60/27,060.40
  6. Step 6: Final answer
    x = 20,871.37

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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.