Home / 13,587.42-20,381.16-3,726.84

Finding the Fourth Proportional to 13,587.42, 20,381.16 and 3,726.84

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Solution

The fourth proportional to 13,587.42, 20,381.16 and 3,726.84 is: 5,590.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,587.42 : 20,381.16 = 3,726.84 : x
  2. Step 2: Convert to fraction form
    13,587.42/20,381.16 = 3,726.84/x
  3. Step 3: Cross multiply
    13,587.42x = 20,381.16 × 3,726.84
  4. Step 4: Simplify right side
    13,587.42x = 75,957,322.33
  5. Step 5: Solve for x
    x = 75,957,322.33/13,587.42
  6. Step 6: Final answer
    x = 5,590.27

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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.