Home / 16,345.40-22,557.08-9,272.88

Finding the Fourth Proportional to 16,345.40, 22,557.08 and 9,272.88

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Solution

The fourth proportional to 16,345.40, 22,557.08 and 9,272.88 is: 12,796.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,345.40 : 22,557.08 = 9,272.88 : x
  2. Step 2: Convert to fraction form
    16,345.40/22,557.08 = 9,272.88/x
  3. Step 3: Cross multiply
    16,345.40x = 22,557.08 × 9,272.88
  4. Step 4: Simplify right side
    16,345.40x = 209,169,119.17
  5. Step 5: Solve for x
    x = 209,169,119.17/16,345.40
  6. Step 6: Final answer
    x = 12,796.82

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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.