Home / 13,587.33-20,381.01-3,726.69

Finding the Fourth Proportional to 13,587.33, 20,381.01 and 3,726.69

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Solution

The fourth proportional to 13,587.33, 20,381.01 and 3,726.69 is: 5,590.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,587.33 : 20,381.01 = 3,726.69 : x
  2. Step 2: Convert to fraction form
    13,587.33/20,381.01 = 3,726.69/x
  3. Step 3: Cross multiply
    13,587.33x = 20,381.01 × 3,726.69
  4. Step 4: Simplify right side
    13,587.33x = 75,953,706.16
  5. Step 5: Solve for x
    x = 75,953,706.16/13,587.33
  6. Step 6: Final answer
    x = 5,590.04

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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.