Home / 13,587.73-20,378.76-3,726.16

Finding the Fourth Proportional to 13,587.73, 20,378.76 and 3,726.16

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Solution

The fourth proportional to 13,587.73, 20,378.76 and 3,726.16 is: 5,588.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,587.73 : 20,378.76 = 3,726.16 : x
  2. Step 2: Convert to fraction form
    13,587.73/20,378.76 = 3,726.16/x
  3. Step 3: Cross multiply
    13,587.73x = 20,378.76 × 3,726.16
  4. Step 4: Simplify right side
    13,587.73x = 75,934,520.36
  5. Step 5: Solve for x
    x = 75,934,520.36/13,587.73
  6. Step 6: Final answer
    x = 5,588.46

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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.