Home / 38,314.12-57,473.34-12,018.28

Finding the Fourth Proportional to 38,314.12, 57,473.34 and 12,018.28

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Solution

The fourth proportional to 38,314.12, 57,473.34 and 12,018.28 is: 18,028.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,314.12 : 57,473.34 = 12,018.28 : x
  2. Step 2: Convert to fraction form
    38,314.12/57,473.34 = 12,018.28/x
  3. Step 3: Cross multiply
    38,314.12x = 57,473.34 × 12,018.28
  4. Step 4: Simplify right side
    38,314.12x = 690,730,692.66
  5. Step 5: Solve for x
    x = 690,730,692.66/38,314.12
  6. Step 6: Final answer
    x = 18,028.10

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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.