Home / 43,149.48-64,727.02-13,568.46

Finding the Fourth Proportional to 43,149.48, 64,727.02 and 13,568.46

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Solution

The fourth proportional to 43,149.48, 64,727.02 and 13,568.46 is: 20,353.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,149.48 : 64,727.02 = 13,568.46 : x
  2. Step 2: Convert to fraction form
    43,149.48/64,727.02 = 13,568.46/x
  3. Step 3: Cross multiply
    43,149.48x = 64,727.02 × 13,568.46
  4. Step 4: Simplify right side
    43,149.48x = 878,245,981.79
  5. Step 5: Solve for x
    x = 878,245,981.79/43,149.48
  6. Step 6: Final answer
    x = 20,353.57

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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.