Home / 15,899.32-23,839.26-7,581.88

Finding the Fourth Proportional to 15,899.32, 23,839.26 and 7,581.88

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Solution

The fourth proportional to 15,899.32, 23,839.26 and 7,581.88 is: 11,368.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,899.32 : 23,839.26 = 7,581.88 : x
  2. Step 2: Convert to fraction form
    15,899.32/23,839.26 = 7,581.88/x
  3. Step 3: Cross multiply
    15,899.32x = 23,839.26 × 7,581.88
  4. Step 4: Simplify right side
    15,899.32x = 180,746,408.61
  5. Step 5: Solve for x
    x = 180,746,408.61/15,899.32
  6. Step 6: Final answer
    x = 11,368.18

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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.