Home / 16,849.32-23,254.88-9,781.60

Finding the Fourth Proportional to 16,849.32, 23,254.88 and 9,781.60

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Solution

The fourth proportional to 16,849.32, 23,254.88 and 9,781.60 is: 13,500.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,849.32 : 23,254.88 = 9,781.60 : x
  2. Step 2: Convert to fraction form
    16,849.32/23,254.88 = 9,781.60/x
  3. Step 3: Cross multiply
    16,849.32x = 23,254.88 × 9,781.60
  4. Step 4: Simplify right side
    16,849.32x = 227,469,934.21
  5. Step 5: Solve for x
    x = 227,469,934.21/16,849.32
  6. Step 6: Final answer
    x = 13,500.24

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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.