Home / 26,565.03-39,872.12-13,426.70

Finding the Fourth Proportional to 26,565.03, 39,872.12 and 13,426.70

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Solution

The fourth proportional to 26,565.03, 39,872.12 and 13,426.70 is: 20,152.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,565.03 : 39,872.12 = 13,426.70 : x
  2. Step 2: Convert to fraction form
    26,565.03/39,872.12 = 13,426.70/x
  3. Step 3: Cross multiply
    26,565.03x = 39,872.12 × 13,426.70
  4. Step 4: Simplify right side
    26,565.03x = 535,350,727.11
  5. Step 5: Solve for x
    x = 535,350,727.11/26,565.03
  6. Step 6: Final answer
    x = 20,152.46

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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.