Home / 16,343.90-22,551.12-10,686.92

Finding the Fourth Proportional to 16,343.90, 22,551.12 and 10,686.92

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Solution

The fourth proportional to 16,343.90, 22,551.12 and 10,686.92 is: 14,745.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,343.90 : 22,551.12 = 10,686.92 : x
  2. Step 2: Convert to fraction form
    16,343.90/22,551.12 = 10,686.92/x
  3. Step 3: Cross multiply
    16,343.90x = 22,551.12 × 10,686.92
  4. Step 4: Simplify right side
    16,343.90x = 241,002,015.35
  5. Step 5: Solve for x
    x = 241,002,015.35/16,343.90
  6. Step 6: Final answer
    x = 14,745.69

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.