Home / 15,729.68-23,468.50-12,552.32

Finding the Fourth Proportional to 15,729.68, 23,468.50 and 12,552.32

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Solution

The fourth proportional to 15,729.68, 23,468.50 and 12,552.32 is: 18,727.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,729.68 : 23,468.50 = 12,552.32 : x
  2. Step 2: Convert to fraction form
    15,729.68/23,468.50 = 12,552.32/x
  3. Step 3: Cross multiply
    15,729.68x = 23,468.50 × 12,552.32
  4. Step 4: Simplify right side
    15,729.68x = 294,584,121.92
  5. Step 5: Solve for x
    x = 294,584,121.92/15,729.68
  6. Step 6: Final answer
    x = 18,727.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.