Home / 16,331.22-22,535.82-9,615.78

Finding the Fourth Proportional to 16,331.22, 22,535.82 and 9,615.78

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Solution

The fourth proportional to 16,331.22, 22,535.82 and 9,615.78 is: 13,269.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,331.22 : 22,535.82 = 9,615.78 : x
  2. Step 2: Convert to fraction form
    16,331.22/22,535.82 = 9,615.78/x
  3. Step 3: Cross multiply
    16,331.22x = 22,535.82 × 9,615.78
  4. Step 4: Simplify right side
    16,331.22x = 216,699,487.24
  5. Step 5: Solve for x
    x = 216,699,487.24/16,331.22
  6. Step 6: Final answer
    x = 13,269.03

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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.