Home / 57,628.97-86,443.45-18,189.16

Finding the Fourth Proportional to 57,628.97, 86,443.45 and 18,189.16

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Solution

The fourth proportional to 57,628.97, 86,443.45 and 18,189.16 is: 27,283.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,628.97 : 86,443.45 = 18,189.16 : x
  2. Step 2: Convert to fraction form
    57,628.97/86,443.45 = 18,189.16/x
  3. Step 3: Cross multiply
    57,628.97x = 86,443.45 × 18,189.16
  4. Step 4: Simplify right side
    57,628.97x = 1,572,333,743.00
  5. Step 5: Solve for x
    x = 1,572,333,743.00/57,628.97
  6. Step 6: Final answer
    x = 27,283.74

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Double scale
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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.