Home / 27,170.28-40,762.71-11,589.12

Finding the Fourth Proportional to 27,170.28, 40,762.71 and 11,589.12

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Solution

The fourth proportional to 27,170.28, 40,762.71 and 11,589.12 is: 17,386.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,170.28 : 40,762.71 = 11,589.12 : x
  2. Step 2: Convert to fraction form
    27,170.28/40,762.71 = 11,589.12/x
  3. Step 3: Cross multiply
    27,170.28x = 40,762.71 × 11,589.12
  4. Step 4: Simplify right side
    27,170.28x = 472,403,937.72
  5. Step 5: Solve for x
    x = 472,403,937.72/27,170.28
  6. Step 6: Final answer
    x = 17,386.79

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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.