Home / 22,584.18-31,191.75-15,401.82

Finding the Fourth Proportional to 22,584.18, 31,191.75 and 15,401.82

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Solution

The fourth proportional to 22,584.18, 31,191.75 and 15,401.82 is: 21,271.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,584.18 : 31,191.75 = 15,401.82 : x
  2. Step 2: Convert to fraction form
    22,584.18/31,191.75 = 15,401.82/x
  3. Step 3: Cross multiply
    22,584.18x = 31,191.75 × 15,401.82
  4. Step 4: Simplify right side
    22,584.18x = 480,409,718.99
  5. Step 5: Solve for x
    x = 480,409,718.99/22,584.18
  6. Step 6: Final answer
    x = 21,271.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.