Home / 15,580.20-23,369.34-5,191.94

Finding the Fourth Proportional to 15,580.20, 23,369.34 and 5,191.94

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Solution

The fourth proportional to 15,580.20, 23,369.34 and 5,191.94 is: 7,787.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,580.20 : 23,369.34 = 5,191.94 : x
  2. Step 2: Convert to fraction form
    15,580.20/23,369.34 = 5,191.94/x
  3. Step 3: Cross multiply
    15,580.20x = 23,369.34 × 5,191.94
  4. Step 4: Simplify right side
    15,580.20x = 121,332,211.12
  5. Step 5: Solve for x
    x = 121,332,211.12/15,580.20
  6. Step 6: Final answer
    x = 7,787.59

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1.5x scale

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.