Home / 27,320.42-40,963.65-11,517.32

Finding the Fourth Proportional to 27,320.42, 40,963.65 and 11,517.32

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Solution

The fourth proportional to 27,320.42, 40,963.65 and 11,517.32 is: 17,268.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,320.42 : 40,963.65 = 11,517.32 : x
  2. Step 2: Convert to fraction form
    27,320.42/40,963.65 = 11,517.32/x
  3. Step 3: Cross multiply
    27,320.42x = 40,963.65 × 11,517.32
  4. Step 4: Simplify right side
    27,320.42x = 471,791,260.60
  5. Step 5: Solve for x
    x = 471,791,260.60/27,320.42
  6. Step 6: Final answer
    x = 17,268.82

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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.