Home / 18,799.38-28,192.59-6,484.50

Finding the Fourth Proportional to 18,799.38, 28,192.59 and 6,484.50

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Solution

The fourth proportional to 18,799.38, 28,192.59 and 6,484.50 is: 9,724.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,799.38 : 28,192.59 = 6,484.50 : x
  2. Step 2: Convert to fraction form
    18,799.38/28,192.59 = 6,484.50/x
  3. Step 3: Cross multiply
    18,799.38x = 28,192.59 × 6,484.50
  4. Step 4: Simplify right side
    18,799.38x = 182,814,849.86
  5. Step 5: Solve for x
    x = 182,814,849.86/18,799.38
  6. Step 6: Final answer
    x = 9,724.51

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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.