Home / 15,745.40-23,618.10-5,357.18

Finding the Fourth Proportional to 15,745.40, 23,618.10 and 5,357.18

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Solution

The fourth proportional to 15,745.40, 23,618.10 and 5,357.18 is: 8,035.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,745.40 : 23,618.10 = 5,357.18 : x
  2. Step 2: Convert to fraction form
    15,745.40/23,618.10 = 5,357.18/x
  3. Step 3: Cross multiply
    15,745.40x = 23,618.10 × 5,357.18
  4. Step 4: Simplify right side
    15,745.40x = 126,526,412.96
  5. Step 5: Solve for x
    x = 126,526,412.96/15,745.40
  6. Step 6: Final answer
    x = 8,035.77

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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.