Home / 18,276.35-25,221.36-9,892.85

Finding the Fourth Proportional to 18,276.35, 25,221.36 and 9,892.85

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Solution

The fourth proportional to 18,276.35, 25,221.36 and 9,892.85 is: 13,652.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,276.35 : 25,221.36 = 9,892.85 : x
  2. Step 2: Convert to fraction form
    18,276.35/25,221.36 = 9,892.85/x
  3. Step 3: Cross multiply
    18,276.35x = 25,221.36 × 9,892.85
  4. Step 4: Simplify right side
    18,276.35x = 249,511,131.28
  5. Step 5: Solve for x
    x = 249,511,131.28/18,276.35
  6. Step 6: Final answer
    x = 13,652.13

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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.