Home / 13,719.38-20,566.85-4,952.34

Finding the Fourth Proportional to 13,719.38, 20,566.85 and 4,952.34

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Solution

The fourth proportional to 13,719.38, 20,566.85 and 4,952.34 is: 7,424.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,719.38 : 20,566.85 = 4,952.34 : x
  2. Step 2: Convert to fraction form
    13,719.38/20,566.85 = 4,952.34/x
  3. Step 3: Cross multiply
    13,719.38x = 20,566.85 × 4,952.34
  4. Step 4: Simplify right side
    13,719.38x = 101,854,009.17
  5. Step 5: Solve for x
    x = 101,854,009.17/13,719.38
  6. Step 6: Final answer
    x = 7,424.10

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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.