Home / 15,311.03-22,956.21-5,313.20

Finding the Fourth Proportional to 15,311.03, 22,956.21 and 5,313.20

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Solution

The fourth proportional to 15,311.03, 22,956.21 and 5,313.20 is: 7,966.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,311.03 : 22,956.21 = 5,313.20 : x
  2. Step 2: Convert to fraction form
    15,311.03/22,956.21 = 5,313.20/x
  3. Step 3: Cross multiply
    15,311.03x = 22,956.21 × 5,313.20
  4. Step 4: Simplify right side
    15,311.03x = 121,970,820.19
  5. Step 5: Solve for x
    x = 121,970,820.19/15,311.03
  6. Step 6: Final answer
    x = 7,966.21

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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.