Home / 13,159.74-19,740.92-3,799.98

Finding the Fourth Proportional to 13,159.74, 19,740.92 and 3,799.98

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Solution

The fourth proportional to 13,159.74, 19,740.92 and 3,799.98 is: 5,700.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,159.74 : 19,740.92 = 3,799.98 : x
  2. Step 2: Convert to fraction form
    13,159.74/19,740.92 = 3,799.98/x
  3. Step 3: Cross multiply
    13,159.74x = 19,740.92 × 3,799.98
  4. Step 4: Simplify right side
    13,159.74x = 75,015,082.18
  5. Step 5: Solve for x
    x = 75,015,082.18/13,159.74
  6. Step 6: Final answer
    x = 5,700.35

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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.