Home / 14,869.13-20,516.18-8,577.86

Finding the Fourth Proportional to 14,869.13, 20,516.18 and 8,577.86

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Solution

The fourth proportional to 14,869.13, 20,516.18 and 8,577.86 is: 11,835.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,869.13 : 20,516.18 = 8,577.86 : x
  2. Step 2: Convert to fraction form
    14,869.13/20,516.18 = 8,577.86/x
  3. Step 3: Cross multiply
    14,869.13x = 20,516.18 × 8,577.86
  4. Step 4: Simplify right side
    14,869.13x = 175,984,774.30
  5. Step 5: Solve for x
    x = 175,984,774.30/14,869.13
  6. Step 6: Final answer
    x = 11,835.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.