Home / 21,603.20-32,367.93-15,332.18

Finding the Fourth Proportional to 21,603.20, 32,367.93 and 15,332.18

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Solution

The fourth proportional to 21,603.20, 32,367.93 and 15,332.18 is: 22,972.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,603.20 : 32,367.93 = 15,332.18 : x
  2. Step 2: Convert to fraction form
    21,603.20/32,367.93 = 15,332.18/x
  3. Step 3: Cross multiply
    21,603.20x = 32,367.93 × 15,332.18
  4. Step 4: Simplify right side
    21,603.20x = 496,270,767.15
  5. Step 5: Solve for x
    x = 496,270,767.15/21,603.20
  6. Step 6: Final answer
    x = 22,972.10

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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.