Home / 27,574.47-38,061.42-15,645.73

Finding the Fourth Proportional to 27,574.47, 38,061.42 and 15,645.73

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Solution

The fourth proportional to 27,574.47, 38,061.42 and 15,645.73 is: 21,596.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,574.47 : 38,061.42 = 15,645.73 : x
  2. Step 2: Convert to fraction form
    27,574.47/38,061.42 = 15,645.73/x
  3. Step 3: Cross multiply
    27,574.47x = 38,061.42 × 15,645.73
  4. Step 4: Simplify right side
    27,574.47x = 595,498,700.74
  5. Step 5: Solve for x
    x = 595,498,700.74/27,574.47
  6. Step 6: Final answer
    x = 21,596.02

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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.