Home / 16,291.11-22,481.49-9,577.50

Finding the Fourth Proportional to 16,291.11, 22,481.49 and 9,577.50

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Solution

The fourth proportional to 16,291.11, 22,481.49 and 9,577.50 is: 13,216.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,291.11 : 22,481.49 = 9,577.50 : x
  2. Step 2: Convert to fraction form
    16,291.11/22,481.49 = 9,577.50/x
  3. Step 3: Cross multiply
    16,291.11x = 22,481.49 × 9,577.50
  4. Step 4: Simplify right side
    16,291.11x = 215,316,470.48
  5. Step 5: Solve for x
    x = 215,316,470.48/16,291.11
  6. Step 6: Final answer
    x = 13,216.81

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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.