Home / 38,518.24-57,776.89-12,223.21

Finding the Fourth Proportional to 38,518.24, 57,776.89 and 12,223.21

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Solution

The fourth proportional to 38,518.24, 57,776.89 and 12,223.21 is: 18,334.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,518.24 : 57,776.89 = 12,223.21 : x
  2. Step 2: Convert to fraction form
    38,518.24/57,776.89 = 12,223.21/x
  3. Step 3: Cross multiply
    38,518.24x = 57,776.89 × 12,223.21
  4. Step 4: Simplify right side
    38,518.24x = 706,218,740.17
  5. Step 5: Solve for x
    x = 706,218,740.17/38,518.24
  6. Step 6: Final answer
    x = 18,334.66

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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.