Home / 19,200.24-28,767.15-18,740.97

Finding the Fourth Proportional to 19,200.24, 28,767.15 and 18,740.97

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Solution

The fourth proportional to 19,200.24, 28,767.15 and 18,740.97 is: 28,079.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,200.24 : 28,767.15 = 18,740.97 : x
  2. Step 2: Convert to fraction form
    19,200.24/28,767.15 = 18,740.97/x
  3. Step 3: Cross multiply
    19,200.24x = 28,767.15 × 18,740.97
  4. Step 4: Simplify right side
    19,200.24x = 539,124,295.14
  5. Step 5: Solve for x
    x = 539,124,295.14/19,200.24
  6. Step 6: Final answer
    x = 28,079.04

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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.