Home / 19,704.10-27,191.28-10,751.38

Finding the Fourth Proportional to 19,704.10, 27,191.28 and 10,751.38

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Solution

The fourth proportional to 19,704.10, 27,191.28 and 10,751.38 is: 14,836.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,704.10 : 27,191.28 = 10,751.38 : x
  2. Step 2: Convert to fraction form
    19,704.10/27,191.28 = 10,751.38/x
  3. Step 3: Cross multiply
    19,704.10x = 27,191.28 × 10,751.38
  4. Step 4: Simplify right side
    19,704.10x = 292,343,783.97
  5. Step 5: Solve for x
    x = 292,343,783.97/19,704.10
  6. Step 6: Final answer
    x = 14,836.70

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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.