Home / 43,701.50-65,562.78-12,536.48

Finding the Fourth Proportional to 43,701.50, 65,562.78 and 12,536.48

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Solution

The fourth proportional to 43,701.50, 65,562.78 and 12,536.48 is: 18,807.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,701.50 : 65,562.78 = 12,536.48 : x
  2. Step 2: Convert to fraction form
    43,701.50/65,562.78 = 12,536.48/x
  3. Step 3: Cross multiply
    43,701.50x = 65,562.78 × 12,536.48
  4. Step 4: Simplify right side
    43,701.50x = 821,926,480.21
  5. Step 5: Solve for x
    x = 821,926,480.21/43,701.50
  6. Step 6: Final answer
    x = 18,807.74

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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.