Home / 25,379.46-38,106-18,023.04

Finding the Fourth Proportional to 25,379.46, 38,106 and 18,023.04

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Solution

The fourth proportional to 25,379.46, 38,106 and 18,023.04 is: 27,060.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,379.46 : 38,106 = 18,023.04 : x
  2. Step 2: Convert to fraction form
    25,379.46/38,106 = 18,023.04/x
  3. Step 3: Cross multiply
    25,379.46x = 38,106 × 18,023.04
  4. Step 4: Simplify right side
    25,379.46x = 686,785,962.24
  5. Step 5: Solve for x
    x = 686,785,962.24/25,379.46
  6. Step 6: Final answer
    x = 27,060.70

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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.