Home / 15,621.12-23,434.11-4,527.90

Finding the Fourth Proportional to 15,621.12, 23,434.11 and 4,527.90

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Solution

The fourth proportional to 15,621.12, 23,434.11 and 4,527.90 is: 6,792.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,621.12 : 23,434.11 = 4,527.90 : x
  2. Step 2: Convert to fraction form
    15,621.12/23,434.11 = 4,527.90/x
  3. Step 3: Cross multiply
    15,621.12x = 23,434.11 × 4,527.90
  4. Step 4: Simplify right side
    15,621.12x = 106,107,306.67
  5. Step 5: Solve for x
    x = 106,107,306.67/15,621.12
  6. Step 6: Final answer
    x = 6,792.55

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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.