Home / 16,293.60-22,486.56-9,221.28

Finding the Fourth Proportional to 16,293.60, 22,486.56 and 9,221.28

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Solution

The fourth proportional to 16,293.60, 22,486.56 and 9,221.28 is: 12,726.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,293.60 : 22,486.56 = 9,221.28 : x
  2. Step 2: Convert to fraction form
    16,293.60/22,486.56 = 9,221.28/x
  3. Step 3: Cross multiply
    16,293.60x = 22,486.56 × 9,221.28
  4. Step 4: Simplify right side
    16,293.60x = 207,354,866.00
  5. Step 5: Solve for x
    x = 207,354,866.00/16,293.60
  6. Step 6: Final answer
    x = 12,726.15

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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.