Home / 38,169.18-57,260.16-11,868.69

Finding the Fourth Proportional to 38,169.18, 57,260.16 and 11,868.69

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Solution

The fourth proportional to 38,169.18, 57,260.16 and 11,868.69 is: 17,805.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,169.18 : 57,260.16 = 11,868.69 : x
  2. Step 2: Convert to fraction form
    38,169.18/57,260.16 = 11,868.69/x
  3. Step 3: Cross multiply
    38,169.18x = 57,260.16 × 11,868.69
  4. Step 4: Simplify right side
    38,169.18x = 679,603,088.39
  5. Step 5: Solve for x
    x = 679,603,088.39/38,169.18
  6. Step 6: Final answer
    x = 17,805.02

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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.