Home / 12,507.26-18,760.88-5,014.20

Finding the Fourth Proportional to 12,507.26, 18,760.88 and 5,014.20

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Solution

The fourth proportional to 12,507.26, 18,760.88 and 5,014.20 is: 7,521.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,507.26 : 18,760.88 = 5,014.20 : x
  2. Step 2: Convert to fraction form
    12,507.26/18,760.88 = 5,014.20/x
  3. Step 3: Cross multiply
    12,507.26x = 18,760.88 × 5,014.20
  4. Step 4: Simplify right side
    12,507.26x = 94,070,779.43
  5. Step 5: Solve for x
    x = 94,070,779.43/12,507.26
  6. Step 6: Final answer
    x = 7,521.30

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Double scale
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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.