Home / 16,270.40-22,449.84-9,557.12

Finding the Fourth Proportional to 16,270.40, 22,449.84 and 9,557.12

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Solution

The fourth proportional to 16,270.40, 22,449.84 and 9,557.12 is: 13,186.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,270.40 : 22,449.84 = 9,557.12 : x
  2. Step 2: Convert to fraction form
    16,270.40/22,449.84 = 9,557.12/x
  3. Step 3: Cross multiply
    16,270.40x = 22,449.84 × 9,557.12
  4. Step 4: Simplify right side
    16,270.40x = 214,555,814.86
  5. Step 5: Solve for x
    x = 214,555,814.86/16,270.40
  6. Step 6: Final answer
    x = 13,186.88

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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.