Home / 20,032.92-27,646.52-11,080.40

Finding the Fourth Proportional to 20,032.92, 27,646.52 and 11,080.40

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Solution

The fourth proportional to 20,032.92, 27,646.52 and 11,080.40 is: 15,291.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,032.92 : 27,646.52 = 11,080.40 : x
  2. Step 2: Convert to fraction form
    20,032.92/27,646.52 = 11,080.40/x
  3. Step 3: Cross multiply
    20,032.92x = 27,646.52 × 11,080.40
  4. Step 4: Simplify right side
    20,032.92x = 306,334,306.57
  5. Step 5: Solve for x
    x = 306,334,306.57/20,032.92
  6. Step 6: Final answer
    x = 15,291.55

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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.