Home / 23,091.49-31,819.17-15,923.59

Finding the Fourth Proportional to 23,091.49, 31,819.17 and 15,923.59

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Solution

The fourth proportional to 23,091.49, 31,819.17 and 15,923.59 is: 21,942.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,091.49 : 31,819.17 = 15,923.59 : x
  2. Step 2: Convert to fraction form
    23,091.49/31,819.17 = 15,923.59/x
  3. Step 3: Cross multiply
    23,091.49x = 31,819.17 × 15,923.59
  4. Step 4: Simplify right side
    23,091.49x = 506,675,258.12
  5. Step 5: Solve for x
    x = 506,675,258.12/23,091.49
  6. Step 6: Final answer
    x = 21,942.08

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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.