Home / 13,063.65-19,589.81-4,740.90

Finding the Fourth Proportional to 13,063.65, 19,589.81 and 4,740.90

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Solution

The fourth proportional to 13,063.65, 19,589.81 and 4,740.90 is: 7,109.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,063.65 : 19,589.81 = 4,740.90 : x
  2. Step 2: Convert to fraction form
    13,063.65/19,589.81 = 4,740.90/x
  3. Step 3: Cross multiply
    13,063.65x = 19,589.81 × 4,740.90
  4. Step 4: Simplify right side
    13,063.65x = 92,873,306.52
  5. Step 5: Solve for x
    x = 92,873,306.52/13,063.65
  6. Step 6: Final answer
    x = 7,109.29

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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.