Home / 15,182.47-20,951.84-8,468.53

Finding the Fourth Proportional to 15,182.47, 20,951.84 and 8,468.53

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Solution

The fourth proportional to 15,182.47, 20,951.84 and 8,468.53 is: 11,686.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,182.47 : 20,951.84 = 8,468.53 : x
  2. Step 2: Convert to fraction form
    15,182.47/20,951.84 = 8,468.53/x
  3. Step 3: Cross multiply
    15,182.47x = 20,951.84 × 8,468.53
  4. Step 4: Simplify right side
    15,182.47x = 177,431,315.83
  5. Step 5: Solve for x
    x = 177,431,315.83/15,182.47
  6. Step 6: Final answer
    x = 11,686.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.