Home / 15,255.34-22,773.10-13,286.50

Finding the Fourth Proportional to 15,255.34, 22,773.10 and 13,286.50

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Solution

The fourth proportional to 15,255.34, 22,773.10 and 13,286.50 is: 19,834.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,255.34 : 22,773.10 = 13,286.50 : x
  2. Step 2: Convert to fraction form
    15,255.34/22,773.10 = 13,286.50/x
  3. Step 3: Cross multiply
    15,255.34x = 22,773.10 × 13,286.50
  4. Step 4: Simplify right side
    15,255.34x = 302,574,793.15
  5. Step 5: Solve for x
    x = 302,574,793.15/15,255.34
  6. Step 6: Final answer
    x = 19,834.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.