Home / 25,397.92-35,016.60-19,723.06

Finding the Fourth Proportional to 25,397.92, 35,016.60 and 19,723.06

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Solution

The fourth proportional to 25,397.92, 35,016.60 and 19,723.06 is: 27,192.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,397.92 : 35,016.60 = 19,723.06 : x
  2. Step 2: Convert to fraction form
    25,397.92/35,016.60 = 19,723.06/x
  3. Step 3: Cross multiply
    25,397.92x = 35,016.60 × 19,723.06
  4. Step 4: Simplify right side
    25,397.92x = 690,634,502.80
  5. Step 5: Solve for x
    x = 690,634,502.80/25,397.92
  6. Step 6: Final answer
    x = 27,192.56

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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.