Home / 38,483.04-57,727.96-10,781.12

Finding the Fourth Proportional to 38,483.04, 57,727.96 and 10,781.12

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Solution

The fourth proportional to 38,483.04, 57,727.96 and 10,781.12 is: 16,172.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,483.04 : 57,727.96 = 10,781.12 : x
  2. Step 2: Convert to fraction form
    38,483.04/57,727.96 = 10,781.12/x
  3. Step 3: Cross multiply
    38,483.04x = 57,727.96 × 10,781.12
  4. Step 4: Simplify right side
    38,483.04x = 622,372,064.12
  5. Step 5: Solve for x
    x = 622,372,064.12/38,483.04
  6. Step 6: Final answer
    x = 16,172.63

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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.