Home / 43,148.18-64,722.27-13,568.60

Finding the Fourth Proportional to 43,148.18, 64,722.27 and 13,568.60

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Solution

The fourth proportional to 43,148.18, 64,722.27 and 13,568.60 is: 20,352.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,148.18 : 64,722.27 = 13,568.60 : x
  2. Step 2: Convert to fraction form
    43,148.18/64,722.27 = 13,568.60/x
  3. Step 3: Cross multiply
    43,148.18x = 64,722.27 × 13,568.60
  4. Step 4: Simplify right side
    43,148.18x = 878,190,592.72
  5. Step 5: Solve for x
    x = 878,190,592.72/43,148.18
  6. Step 6: Final answer
    x = 20,352.90

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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.