Home / 15,712.21-23,567.68-5,323.96

Finding the Fourth Proportional to 15,712.21, 23,567.68 and 5,323.96

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Solution

The fourth proportional to 15,712.21, 23,567.68 and 5,323.96 is: 7,985.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,712.21 : 23,567.68 = 5,323.96 : x
  2. Step 2: Convert to fraction form
    15,712.21/23,567.68 = 5,323.96/x
  3. Step 3: Cross multiply
    15,712.21x = 23,567.68 × 5,323.96
  4. Step 4: Simplify right side
    15,712.21x = 125,473,385.61
  5. Step 5: Solve for x
    x = 125,473,385.61/15,712.21
  6. Step 6: Final answer
    x = 7,985.72

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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.