Home / 16,190.97-22,345.59-9,117.38

Finding the Fourth Proportional to 16,190.97, 22,345.59 and 9,117.38

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Solution

The fourth proportional to 16,190.97, 22,345.59 and 9,117.38 is: 12,583.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,190.97 : 22,345.59 = 9,117.38 : x
  2. Step 2: Convert to fraction form
    16,190.97/22,345.59 = 9,117.38/x
  3. Step 3: Cross multiply
    16,190.97x = 22,345.59 × 9,117.38
  4. Step 4: Simplify right side
    16,190.97x = 203,733,123.63
  5. Step 5: Solve for x
    x = 203,733,123.63/16,190.97
  6. Step 6: Final answer
    x = 12,583.13

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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.