Home / 16,220.31-22,383.54-9,050.42

Finding the Fourth Proportional to 16,220.31, 22,383.54 and 9,050.42

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Solution

The fourth proportional to 16,220.31, 22,383.54 and 9,050.42 is: 12,489.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,220.31 : 22,383.54 = 9,050.42 : x
  2. Step 2: Convert to fraction form
    16,220.31/22,383.54 = 9,050.42/x
  3. Step 3: Cross multiply
    16,220.31x = 22,383.54 × 9,050.42
  4. Step 4: Simplify right side
    16,220.31x = 202,580,326.17
  5. Step 5: Solve for x
    x = 202,580,326.17/16,220.31
  6. Step 6: Final answer
    x = 12,489.30

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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.