Home / 43,707.36-65,560.52-12,542.48

Finding the Fourth Proportional to 43,707.36, 65,560.52 and 12,542.48

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Solution

The fourth proportional to 43,707.36, 65,560.52 and 12,542.48 is: 18,813.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,707.36 : 65,560.52 = 12,542.48 : x
  2. Step 2: Convert to fraction form
    43,707.36/65,560.52 = 12,542.48/x
  3. Step 3: Cross multiply
    43,707.36x = 65,560.52 × 12,542.48
  4. Step 4: Simplify right side
    43,707.36x = 822,291,510.89
  5. Step 5: Solve for x
    x = 822,291,510.89/43,707.36
  6. Step 6: Final answer
    x = 18,813.57

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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.