Home / 16,247.43-24,356.91-7,809.72

Finding the Fourth Proportional to 16,247.43, 24,356.91 and 7,809.72

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Solution

The fourth proportional to 16,247.43, 24,356.91 and 7,809.72 is: 11,707.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,247.43 : 24,356.91 = 7,809.72 : x
  2. Step 2: Convert to fraction form
    16,247.43/24,356.91 = 7,809.72/x
  3. Step 3: Cross multiply
    16,247.43x = 24,356.91 × 7,809.72
  4. Step 4: Simplify right side
    16,247.43x = 190,220,647.17
  5. Step 5: Solve for x
    x = 190,220,647.17/16,247.43
  6. Step 6: Final answer
    x = 11,707.74

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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.