Home / 19,703.31-27,190.51-10,750.75

Finding the Fourth Proportional to 19,703.31, 27,190.51 and 10,750.75

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Solution

The fourth proportional to 19,703.31, 27,190.51 and 10,750.75 is: 14,836.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,703.31 : 27,190.51 = 10,750.75 : x
  2. Step 2: Convert to fraction form
    19,703.31/27,190.51 = 10,750.75/x
  3. Step 3: Cross multiply
    19,703.31x = 27,190.51 × 10,750.75
  4. Step 4: Simplify right side
    19,703.31x = 292,318,375.38
  5. Step 5: Solve for x
    x = 292,318,375.38/19,703.31
  6. Step 6: Final answer
    x = 14,836.00

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Half scale
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Double scale
Find fourth proportional to 19,704.31, 27,191.89 and 10,751.75
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.