Home / 12,074.10-18,111.15-10,251.60

Finding the Fourth Proportional to 12,074.10, 18,111.15 and 10,251.60

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Solution

The fourth proportional to 12,074.10, 18,111.15 and 10,251.60 is: 15,377.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,074.10 : 18,111.15 = 10,251.60 : x
  2. Step 2: Convert to fraction form
    12,074.10/18,111.15 = 10,251.60/x
  3. Step 3: Cross multiply
    12,074.10x = 18,111.15 × 10,251.60
  4. Step 4: Simplify right side
    12,074.10x = 185,668,265.34
  5. Step 5: Solve for x
    x = 185,668,265.34/12,074.10
  6. Step 6: Final answer
    x = 15,377.40

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.