Home / 16,239.72-22,410.36-9,165.72

Finding the Fourth Proportional to 16,239.72, 22,410.36 and 9,165.72

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Solution

The fourth proportional to 16,239.72, 22,410.36 and 9,165.72 is: 12,648.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,239.72 : 22,410.36 = 9,165.72 : x
  2. Step 2: Convert to fraction form
    16,239.72/22,410.36 = 9,165.72/x
  3. Step 3: Cross multiply
    16,239.72x = 22,410.36 × 9,165.72
  4. Step 4: Simplify right side
    16,239.72x = 205,407,084.86
  5. Step 5: Solve for x
    x = 205,407,084.86/16,239.72
  6. Step 6: Final answer
    x = 12,648.44

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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.