Home / 16,239.17-22,409.88-9,165.44

Finding the Fourth Proportional to 16,239.17, 22,409.88 and 9,165.44

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Solution

The fourth proportional to 16,239.17, 22,409.88 and 9,165.44 is: 12,648.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,239.17 : 22,409.88 = 9,165.44 : x
  2. Step 2: Convert to fraction form
    16,239.17/22,409.88 = 9,165.44/x
  3. Step 3: Cross multiply
    16,239.17x = 22,409.88 × 9,165.44
  4. Step 4: Simplify right side
    16,239.17x = 205,396,483.76
  5. Step 5: Solve for x
    x = 205,396,483.76/16,239.17
  6. Step 6: Final answer
    x = 12,648.21

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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.