Home / 19,268.06-28,902.10-5,417.06

Finding the Fourth Proportional to 19,268.06, 28,902.10 and 5,417.06

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Solution

The fourth proportional to 19,268.06, 28,902.10 and 5,417.06 is: 8,125.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,268.06 : 28,902.10 = 5,417.06 : x
  2. Step 2: Convert to fraction form
    19,268.06/28,902.10 = 5,417.06/x
  3. Step 3: Cross multiply
    19,268.06x = 28,902.10 × 5,417.06
  4. Step 4: Simplify right side
    19,268.06x = 156,564,468.54
  5. Step 5: Solve for x
    x = 156,564,468.54/19,268.06
  6. Step 6: Final answer
    x = 8,125.59

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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.