Home / 18,293.12-25,244.42-9,909.62

Finding the Fourth Proportional to 18,293.12, 25,244.42 and 9,909.62

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Solution

The fourth proportional to 18,293.12, 25,244.42 and 9,909.62 is: 13,675.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,293.12 : 25,244.42 = 9,909.62 : x
  2. Step 2: Convert to fraction form
    18,293.12/25,244.42 = 9,909.62/x
  3. Step 3: Cross multiply
    18,293.12x = 25,244.42 × 9,909.62
  4. Step 4: Simplify right side
    18,293.12x = 250,162,433.55
  5. Step 5: Solve for x
    x = 250,162,433.55/18,293.12
  6. Step 6: Final answer
    x = 13,675.22

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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.