Home / 16,239.06-22,411.22-9,166.55

Finding the Fourth Proportional to 16,239.06, 22,411.22 and 9,166.55

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Solution

The fourth proportional to 16,239.06, 22,411.22 and 9,166.55 is: 12,650.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,239.06 : 22,411.22 = 9,166.55 : x
  2. Step 2: Convert to fraction form
    16,239.06/22,411.22 = 9,166.55/x
  3. Step 3: Cross multiply
    16,239.06x = 22,411.22 × 9,166.55
  4. Step 4: Simplify right side
    16,239.06x = 205,433,410.80
  5. Step 5: Solve for x
    x = 205,433,410.80/16,239.06
  6. Step 6: Final answer
    x = 12,650.57

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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.