Home / 26,081.54-39,123.65-19,851.29

Finding the Fourth Proportional to 26,081.54, 39,123.65 and 19,851.29

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Solution

The fourth proportional to 26,081.54, 39,123.65 and 19,851.29 is: 29,777.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,081.54 : 39,123.65 = 19,851.29 : x
  2. Step 2: Convert to fraction form
    26,081.54/39,123.65 = 19,851.29/x
  3. Step 3: Cross multiply
    26,081.54x = 39,123.65 × 19,851.29
  4. Step 4: Simplify right side
    26,081.54x = 776,654,776.02
  5. Step 5: Solve for x
    x = 776,654,776.02/26,081.54
  6. Step 6: Final answer
    x = 29,777.96

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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.