Home / 13,835.15-20,734.47-5,061.62

Finding the Fourth Proportional to 13,835.15, 20,734.47 and 5,061.62

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Solution

The fourth proportional to 13,835.15, 20,734.47 and 5,061.62 is: 7,585.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,835.15 : 20,734.47 = 5,061.62 : x
  2. Step 2: Convert to fraction form
    13,835.15/20,734.47 = 5,061.62/x
  3. Step 3: Cross multiply
    13,835.15x = 20,734.47 × 5,061.62
  4. Step 4: Simplify right side
    13,835.15x = 104,950,008.04
  5. Step 5: Solve for x
    x = 104,950,008.04/13,835.15
  6. Step 6: Final answer
    x = 7,585.75

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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.