Home / 13,634.68-20,442.48-5,307.70

Finding the Fourth Proportional to 13,634.68, 20,442.48 and 5,307.70

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Solution

The fourth proportional to 13,634.68, 20,442.48 and 5,307.70 is: 7,957.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,634.68 : 20,442.48 = 5,307.70 : x
  2. Step 2: Convert to fraction form
    13,634.68/20,442.48 = 5,307.70/x
  3. Step 3: Cross multiply
    13,634.68x = 20,442.48 × 5,307.70
  4. Step 4: Simplify right side
    13,634.68x = 108,502,551.10
  5. Step 5: Solve for x
    x = 108,502,551.10/13,634.68
  6. Step 6: Final answer
    x = 7,957.84

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.