Home / 38,915.24-58,380.14-12,616.56

Finding the Fourth Proportional to 38,915.24, 58,380.14 and 12,616.56

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Solution

The fourth proportional to 38,915.24, 58,380.14 and 12,616.56 is: 18,927.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,915.24 : 58,380.14 = 12,616.56 : x
  2. Step 2: Convert to fraction form
    38,915.24/58,380.14 = 12,616.56/x
  3. Step 3: Cross multiply
    38,915.24x = 58,380.14 × 12,616.56
  4. Step 4: Simplify right side
    38,915.24x = 736,556,570.66
  5. Step 5: Solve for x
    x = 736,556,570.66/38,915.24
  6. Step 6: Final answer
    x = 18,927.20

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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.