Home / 14,961.40-22,415.10-8,716.30

Finding the Fourth Proportional to 14,961.40, 22,415.10 and 8,716.30

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Solution

The fourth proportional to 14,961.40, 22,415.10 and 8,716.30 is: 13,058.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,961.40 : 22,415.10 = 8,716.30 : x
  2. Step 2: Convert to fraction form
    14,961.40/22,415.10 = 8,716.30/x
  3. Step 3: Cross multiply
    14,961.40x = 22,415.10 × 8,716.30
  4. Step 4: Simplify right side
    14,961.40x = 195,376,736.13
  5. Step 5: Solve for x
    x = 195,376,736.13/14,961.40
  6. Step 6: Final answer
    x = 13,058.72

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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.