Home / 19,079.20-26,329.98-11,120.14

Finding the Fourth Proportional to 19,079.20, 26,329.98 and 11,120.14

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Solution

The fourth proportional to 19,079.20, 26,329.98 and 11,120.14 is: 15,346.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,079.20 : 26,329.98 = 11,120.14 : x
  2. Step 2: Convert to fraction form
    19,079.20/26,329.98 = 11,120.14/x
  3. Step 3: Cross multiply
    19,079.20x = 26,329.98 × 11,120.14
  4. Step 4: Simplify right side
    19,079.20x = 292,793,063.80
  5. Step 5: Solve for x
    x = 292,793,063.80/19,079.20
  6. Step 6: Final answer
    x = 15,346.19

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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.