Home / 20,002.47-29,993.91-11,684.58

Finding the Fourth Proportional to 20,002.47, 29,993.91 and 11,684.58

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Solution

The fourth proportional to 20,002.47, 29,993.91 and 11,684.58 is: 17,521.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,002.47 : 29,993.91 = 11,684.58 : x
  2. Step 2: Convert to fraction form
    20,002.47/29,993.91 = 11,684.58/x
  3. Step 3: Cross multiply
    20,002.47x = 29,993.91 × 11,684.58
  4. Step 4: Simplify right side
    20,002.47x = 350,466,240.91
  5. Step 5: Solve for x
    x = 350,466,240.91/20,002.47
  6. Step 6: Final answer
    x = 17,521.15

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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.