Home / 25,123.38-37,685.01-10,321.86

Finding the Fourth Proportional to 25,123.38, 37,685.01 and 10,321.86

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Solution

The fourth proportional to 25,123.38, 37,685.01 and 10,321.86 is: 15,482.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,123.38 : 37,685.01 = 10,321.86 : x
  2. Step 2: Convert to fraction form
    25,123.38/37,685.01 = 10,321.86/x
  3. Step 3: Cross multiply
    25,123.38x = 37,685.01 × 10,321.86
  4. Step 4: Simplify right side
    25,123.38x = 388,979,397.32
  5. Step 5: Solve for x
    x = 388,979,397.32/25,123.38
  6. Step 6: Final answer
    x = 15,482.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.