Home / 16,590.17-22,890.60-9,418.33

Finding the Fourth Proportional to 16,590.17, 22,890.60 and 9,418.33

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Solution

The fourth proportional to 16,590.17, 22,890.60 and 9,418.33 is: 12,995.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,590.17 : 22,890.60 = 9,418.33 : x
  2. Step 2: Convert to fraction form
    16,590.17/22,890.60 = 9,418.33/x
  3. Step 3: Cross multiply
    16,590.17x = 22,890.60 × 9,418.33
  4. Step 4: Simplify right side
    16,590.17x = 215,591,124.55
  5. Step 5: Solve for x
    x = 215,591,124.55/16,590.17
  6. Step 6: Final answer
    x = 12,995.11

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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.