Home / 38,186.98-57,298.70-18,454.57

Finding the Fourth Proportional to 38,186.98, 57,298.70 and 18,454.57

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Solution

The fourth proportional to 38,186.98, 57,298.70 and 18,454.57 is: 27,690.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,186.98 : 57,298.70 = 18,454.57 : x
  2. Step 2: Convert to fraction form
    38,186.98/57,298.70 = 18,454.57/x
  3. Step 3: Cross multiply
    38,186.98x = 57,298.70 × 18,454.57
  4. Step 4: Simplify right side
    38,186.98x = 1,057,422,870.06
  5. Step 5: Solve for x
    x = 1,057,422,870.06/38,186.98
  6. Step 6: Final answer
    x = 27,690.66

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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.