Home / 43,567.97-65,346.76-11,981.24

Finding the Fourth Proportional to 43,567.97, 65,346.76 and 11,981.24

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Solution

The fourth proportional to 43,567.97, 65,346.76 and 11,981.24 is: 17,970.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,567.97 : 65,346.76 = 11,981.24 : x
  2. Step 2: Convert to fraction form
    43,567.97/65,346.76 = 11,981.24/x
  3. Step 3: Cross multiply
    43,567.97x = 65,346.76 × 11,981.24
  4. Step 4: Simplify right side
    43,567.97x = 782,935,214.78
  5. Step 5: Solve for x
    x = 782,935,214.78/43,567.97
  6. Step 6: Final answer
    x = 17,970.43

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1.5x scale

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.