Home / 22,868.98-34,289.80-8,817.35

Finding the Fourth Proportional to 22,868.98, 34,289.80 and 8,817.35

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Solution

The fourth proportional to 22,868.98, 34,289.80 and 8,817.35 is: 13,220.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,868.98 : 34,289.80 = 8,817.35 : x
  2. Step 2: Convert to fraction form
    22,868.98/34,289.80 = 8,817.35/x
  3. Step 3: Cross multiply
    22,868.98x = 34,289.80 × 8,817.35
  4. Step 4: Simplify right side
    22,868.98x = 302,345,253.75
  5. Step 5: Solve for x
    x = 302,345,253.75/22,868.98
  6. Step 6: Final answer
    x = 13,220.76

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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.