Home / 16,181.72-22,330.24-9,108.52

Finding the Fourth Proportional to 16,181.72, 22,330.24 and 9,108.52

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Solution

The fourth proportional to 16,181.72, 22,330.24 and 9,108.52 is: 12,569.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,181.72 : 22,330.24 = 9,108.52 : x
  2. Step 2: Convert to fraction form
    16,181.72/22,330.24 = 9,108.52/x
  3. Step 3: Cross multiply
    16,181.72x = 22,330.24 × 9,108.52
  4. Step 4: Simplify right side
    16,181.72x = 203,395,437.64
  5. Step 5: Solve for x
    x = 203,395,437.64/16,181.72
  6. Step 6: Final answer
    x = 12,569.46

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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.