Home / 19,854.24-27,398.91-10,902.33

Finding the Fourth Proportional to 19,854.24, 27,398.91 and 10,902.33

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Solution

The fourth proportional to 19,854.24, 27,398.91 and 10,902.33 is: 15,045.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,854.24 : 27,398.91 = 10,902.33 : x
  2. Step 2: Convert to fraction form
    19,854.24/27,398.91 = 10,902.33/x
  3. Step 3: Cross multiply
    19,854.24x = 27,398.91 × 10,902.33
  4. Step 4: Simplify right side
    19,854.24x = 298,711,958.46
  5. Step 5: Solve for x
    x = 298,711,958.46/19,854.24
  6. Step 6: Final answer
    x = 15,045.25

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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.