Home / 16,345.11-22,555.83-9,631.02

Finding the Fourth Proportional to 16,345.11, 22,555.83 and 9,631.02

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Solution

The fourth proportional to 16,345.11, 22,555.83 and 9,631.02 is: 13,290.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,345.11 : 22,555.83 = 9,631.02 : x
  2. Step 2: Convert to fraction form
    16,345.11/22,555.83 = 9,631.02/x
  3. Step 3: Cross multiply
    16,345.11x = 22,555.83 × 9,631.02
  4. Step 4: Simplify right side
    16,345.11x = 217,235,649.85
  5. Step 5: Solve for x
    x = 217,235,649.85/16,345.11
  6. Step 6: Final answer
    x = 13,290.56

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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.