Home / 19,268.13-28,902.20-5,417.13

Finding the Fourth Proportional to 19,268.13, 28,902.20 and 5,417.13

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Solution

The fourth proportional to 19,268.13, 28,902.20 and 5,417.13 is: 8,125.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,268.13 : 28,902.20 = 5,417.13 : x
  2. Step 2: Convert to fraction form
    19,268.13/28,902.20 = 5,417.13/x
  3. Step 3: Cross multiply
    19,268.13x = 28,902.20 × 5,417.13
  4. Step 4: Simplify right side
    19,268.13x = 156,566,803.09
  5. Step 5: Solve for x
    x = 156,566,803.09/19,268.13
  6. Step 6: Final answer
    x = 8,125.69

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Similar ratio
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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.