Home / 14,495.46-19,999.17-8,121.18

Finding the Fourth Proportional to 14,495.46, 19,999.17 and 8,121.18

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Solution

The fourth proportional to 14,495.46, 19,999.17 and 8,121.18 is: 11,204.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,495.46 : 19,999.17 = 8,121.18 : x
  2. Step 2: Convert to fraction form
    14,495.46/19,999.17 = 8,121.18/x
  3. Step 3: Cross multiply
    14,495.46x = 19,999.17 × 8,121.18
  4. Step 4: Simplify right side
    14,495.46x = 162,416,934.42
  5. Step 5: Solve for x
    x = 162,416,934.42/14,495.46
  6. Step 6: Final answer
    x = 11,204.68

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1.5x scale

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.