Home / 43,214.75-64,822.13-10,382.75

Finding the Fourth Proportional to 43,214.75, 64,822.13 and 10,382.75

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Solution

The fourth proportional to 43,214.75, 64,822.13 and 10,382.75 is: 15,574.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,214.75 : 64,822.13 = 10,382.75 : x
  2. Step 2: Convert to fraction form
    43,214.75/64,822.13 = 10,382.75/x
  3. Step 3: Cross multiply
    43,214.75x = 64,822.13 × 10,382.75
  4. Step 4: Simplify right side
    43,214.75x = 673,031,970.26
  5. Step 5: Solve for x
    x = 673,031,970.26/43,214.75
  6. Step 6: Final answer
    x = 15,574.13

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Similar ratio
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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.