Home / 16,188.49-22,342.26-9,116.29

Finding the Fourth Proportional to 16,188.49, 22,342.26 and 9,116.29

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Solution

The fourth proportional to 16,188.49, 22,342.26 and 9,116.29 is: 12,581.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,188.49 : 22,342.26 = 9,116.29 : x
  2. Step 2: Convert to fraction form
    16,188.49/22,342.26 = 9,116.29/x
  3. Step 3: Cross multiply
    16,188.49x = 22,342.26 × 9,116.29
  4. Step 4: Simplify right side
    16,188.49x = 203,678,521.42
  5. Step 5: Solve for x
    x = 203,678,521.42/16,188.49
  6. Step 6: Final answer
    x = 12,581.69

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Double scale
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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.