Home / 38,482.05-57,719.43-12,184.59

Finding the Fourth Proportional to 38,482.05, 57,719.43 and 12,184.59

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Solution

The fourth proportional to 38,482.05, 57,719.43 and 12,184.59 is: 18,275.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,482.05 : 57,719.43 = 12,184.59 : x
  2. Step 2: Convert to fraction form
    38,482.05/57,719.43 = 12,184.59/x
  3. Step 3: Cross multiply
    38,482.05x = 57,719.43 × 12,184.59
  4. Step 4: Simplify right side
    38,482.05x = 703,287,589.58
  5. Step 5: Solve for x
    x = 703,287,589.58/38,482.05
  6. Step 6: Final answer
    x = 18,275.73

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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.