Home / 17,001.38-25,502.98-5,315.51

Finding the Fourth Proportional to 17,001.38, 25,502.98 and 5,315.51

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Solution

The fourth proportional to 17,001.38, 25,502.98 and 5,315.51 is: 7,973.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,001.38 : 25,502.98 = 5,315.51 : x
  2. Step 2: Convert to fraction form
    17,001.38/25,502.98 = 5,315.51/x
  3. Step 3: Cross multiply
    17,001.38x = 25,502.98 × 5,315.51
  4. Step 4: Simplify right side
    17,001.38x = 135,561,191.13
  5. Step 5: Solve for x
    x = 135,561,191.13/17,001.38
  6. Step 6: Final answer
    x = 7,973.54

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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.