Home / 16,181.68-22,330.66-9,108.12

Finding the Fourth Proportional to 16,181.68, 22,330.66 and 9,108.12

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Solution

The fourth proportional to 16,181.68, 22,330.66 and 9,108.12 is: 12,569.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,181.68 : 22,330.66 = 9,108.12 : x
  2. Step 2: Convert to fraction form
    16,181.68/22,330.66 = 9,108.12/x
  3. Step 3: Cross multiply
    16,181.68x = 22,330.66 × 9,108.12
  4. Step 4: Simplify right side
    16,181.68x = 203,390,330.96
  5. Step 5: Solve for x
    x = 203,390,330.96/16,181.68
  6. Step 6: Final answer
    x = 12,569.17

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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.