Home / 43,516.70-65,275.62-13,934.52

Finding the Fourth Proportional to 43,516.70, 65,275.62 and 13,934.52

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Solution

The fourth proportional to 43,516.70, 65,275.62 and 13,934.52 is: 20,901.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,516.70 : 65,275.62 = 13,934.52 : x
  2. Step 2: Convert to fraction form
    43,516.70/65,275.62 = 13,934.52/x
  3. Step 3: Cross multiply
    43,516.70x = 65,275.62 × 13,934.52
  4. Step 4: Simplify right side
    43,516.70x = 909,584,432.40
  5. Step 5: Solve for x
    x = 909,584,432.40/43,516.70
  6. Step 6: Final answer
    x = 20,901.96

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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.