Home / 19,590.85-27,041.55-12,517.27

Finding the Fourth Proportional to 19,590.85, 27,041.55 and 12,517.27

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Solution

The fourth proportional to 19,590.85, 27,041.55 and 12,517.27 is: 17,277.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,590.85 : 27,041.55 = 12,517.27 : x
  2. Step 2: Convert to fraction form
    19,590.85/27,041.55 = 12,517.27/x
  3. Step 3: Cross multiply
    19,590.85x = 27,041.55 × 12,517.27
  4. Step 4: Simplify right side
    19,590.85x = 338,486,382.57
  5. Step 5: Solve for x
    x = 338,486,382.57/19,590.85
  6. Step 6: Final answer
    x = 17,277.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.