Home / 15,778.56-23,680.08-5,926.80

Finding the Fourth Proportional to 15,778.56, 23,680.08 and 5,926.80

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Solution

The fourth proportional to 15,778.56, 23,680.08 and 5,926.80 is: 8,894.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,778.56 : 23,680.08 = 5,926.80 : x
  2. Step 2: Convert to fraction form
    15,778.56/23,680.08 = 5,926.80/x
  3. Step 3: Cross multiply
    15,778.56x = 23,680.08 × 5,926.80
  4. Step 4: Simplify right side
    15,778.56x = 140,347,098.14
  5. Step 5: Solve for x
    x = 140,347,098.14/15,778.56
  6. Step 6: Final answer
    x = 8,894.80

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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.