Home / 14,731.86-22,116.51-8,899.86

Finding the Fourth Proportional to 14,731.86, 22,116.51 and 8,899.86

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Solution

The fourth proportional to 14,731.86, 22,116.51 and 8,899.86 is: 13,361.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,731.86 : 22,116.51 = 8,899.86 : x
  2. Step 2: Convert to fraction form
    14,731.86/22,116.51 = 8,899.86/x
  3. Step 3: Cross multiply
    14,731.86x = 22,116.51 × 8,899.86
  4. Step 4: Simplify right side
    14,731.86x = 196,833,842.69
  5. Step 5: Solve for x
    x = 196,833,842.69/14,731.86
  6. Step 6: Final answer
    x = 13,361.10

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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.