Home / 43,641.27-65,457.05-12,476.52

Finding the Fourth Proportional to 43,641.27, 65,457.05 and 12,476.52

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Solution

The fourth proportional to 43,641.27, 65,457.05 and 12,476.52 is: 18,713.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,641.27 : 65,457.05 = 12,476.52 : x
  2. Step 2: Convert to fraction form
    43,641.27/65,457.05 = 12,476.52/x
  3. Step 3: Cross multiply
    43,641.27x = 65,457.05 × 12,476.52
  4. Step 4: Simplify right side
    43,641.27x = 816,676,131.08
  5. Step 5: Solve for x
    x = 816,676,131.08/43,641.27
  6. Step 6: Final answer
    x = 18,713.39

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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.