Home / 15,764.18-23,645.10-8,747.60

Finding the Fourth Proportional to 15,764.18, 23,645.10 and 8,747.60

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Solution

The fourth proportional to 15,764.18, 23,645.10 and 8,747.60 is: 13,120.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,764.18 : 23,645.10 = 8,747.60 : x
  2. Step 2: Convert to fraction form
    15,764.18/23,645.10 = 8,747.60/x
  3. Step 3: Cross multiply
    15,764.18x = 23,645.10 × 8,747.60
  4. Step 4: Simplify right side
    15,764.18x = 206,837,876.76
  5. Step 5: Solve for x
    x = 206,837,876.76/15,764.18
  6. Step 6: Final answer
    x = 13,120.75

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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.