Home / 14,536.56-21,805.20-4,148.40

Finding the Fourth Proportional to 14,536.56, 21,805.20 and 4,148.40

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Solution

The fourth proportional to 14,536.56, 21,805.20 and 4,148.40 is: 6,222.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,536.56 : 21,805.20 = 4,148.40 : x
  2. Step 2: Convert to fraction form
    14,536.56/21,805.20 = 4,148.40/x
  3. Step 3: Cross multiply
    14,536.56x = 21,805.20 × 4,148.40
  4. Step 4: Simplify right side
    14,536.56x = 90,456,691.68
  5. Step 5: Solve for x
    x = 90,456,691.68/14,536.56
  6. Step 6: Final answer
    x = 6,222.70

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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.