Home / 38,454.37-57,681.19-12,159.11

Finding the Fourth Proportional to 38,454.37, 57,681.19 and 12,159.11

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Solution

The fourth proportional to 38,454.37, 57,681.19 and 12,159.11 is: 18,238.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,454.37 : 57,681.19 = 12,159.11 : x
  2. Step 2: Convert to fraction form
    38,454.37/57,681.19 = 12,159.11/x
  3. Step 3: Cross multiply
    38,454.37x = 57,681.19 × 12,159.11
  4. Step 4: Simplify right side
    38,454.37x = 701,351,934.14
  5. Step 5: Solve for x
    x = 701,351,934.14/38,454.37
  6. Step 6: Final answer
    x = 18,238.55

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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.