Home / 27,651.49-38,159.10-15,076.24

Finding the Fourth Proportional to 27,651.49, 38,159.10 and 15,076.24

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Solution

The fourth proportional to 27,651.49, 38,159.10 and 15,076.24 is: 20,805.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,651.49 : 38,159.10 = 15,076.24 : x
  2. Step 2: Convert to fraction form
    27,651.49/38,159.10 = 15,076.24/x
  3. Step 3: Cross multiply
    27,651.49x = 38,159.10 × 15,076.24
  4. Step 4: Simplify right side
    27,651.49x = 575,295,740.95
  5. Step 5: Solve for x
    x = 575,295,740.95/27,651.49
  6. Step 6: Final answer
    x = 20,805.23

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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.