Home / 15,749.64-23,623.92-7,426.62

Finding the Fourth Proportional to 15,749.64, 23,623.92 and 7,426.62

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Solution

The fourth proportional to 15,749.64, 23,623.92 and 7,426.62 is: 11,139.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,749.64 : 23,623.92 = 7,426.62 : x
  2. Step 2: Convert to fraction form
    15,749.64/23,623.92 = 7,426.62/x
  3. Step 3: Cross multiply
    15,749.64x = 23,623.92 × 7,426.62
  4. Step 4: Simplify right side
    15,749.64x = 175,445,876.75
  5. Step 5: Solve for x
    x = 175,445,876.75/15,749.64
  6. Step 6: Final answer
    x = 11,139.68

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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.