Home / 22,875.76-34,319.56-13,396.09

Finding the Fourth Proportional to 22,875.76, 34,319.56 and 13,396.09

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Solution

The fourth proportional to 22,875.76, 34,319.56 and 13,396.09 is: 20,097.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,875.76 : 34,319.56 = 13,396.09 : x
  2. Step 2: Convert to fraction form
    22,875.76/34,319.56 = 13,396.09/x
  3. Step 3: Cross multiply
    22,875.76x = 34,319.56 × 13,396.09
  4. Step 4: Simplify right side
    22,875.76x = 459,747,829.67
  5. Step 5: Solve for x
    x = 459,747,829.67/22,875.76
  6. Step 6: Final answer
    x = 20,097.59

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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.