Home / 38,189.46-57,276.57-12,886.50

Finding the Fourth Proportional to 38,189.46, 57,276.57 and 12,886.50

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Solution

The fourth proportional to 38,189.46, 57,276.57 and 12,886.50 is: 19,327.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,189.46 : 57,276.57 = 12,886.50 : x
  2. Step 2: Convert to fraction form
    38,189.46/57,276.57 = 12,886.50/x
  3. Step 3: Cross multiply
    38,189.46x = 57,276.57 × 12,886.50
  4. Step 4: Simplify right side
    38,189.46x = 738,094,519.31
  5. Step 5: Solve for x
    x = 738,094,519.31/38,189.46
  6. Step 6: Final answer
    x = 19,327.18

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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.