Home / 15,222.72-22,834.11-4,692.40

Finding the Fourth Proportional to 15,222.72, 22,834.11 and 4,692.40

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Solution

The fourth proportional to 15,222.72, 22,834.11 and 4,692.40 is: 7,038.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,222.72 : 22,834.11 = 4,692.40 : x
  2. Step 2: Convert to fraction form
    15,222.72/22,834.11 = 4,692.40/x
  3. Step 3: Cross multiply
    15,222.72x = 22,834.11 × 4,692.40
  4. Step 4: Simplify right side
    15,222.72x = 107,146,777.76
  5. Step 5: Solve for x
    x = 107,146,777.76/15,222.72
  6. Step 6: Final answer
    x = 7,038.61

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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.