Home / 19,859.18-29,755.76-14,003.69

Finding the Fourth Proportional to 19,859.18, 29,755.76 and 14,003.69

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Solution

The fourth proportional to 19,859.18, 29,755.76 and 14,003.69 is: 20,982.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,859.18 : 29,755.76 = 14,003.69 : x
  2. Step 2: Convert to fraction form
    19,859.18/29,755.76 = 14,003.69/x
  3. Step 3: Cross multiply
    19,859.18x = 29,755.76 × 14,003.69
  4. Step 4: Simplify right side
    19,859.18x = 416,690,219.96
  5. Step 5: Solve for x
    x = 416,690,219.96/19,859.18
  6. Step 6: Final answer
    x = 20,982.25

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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.