Home / 26,443.54-39,669.02-7,724.95

Finding the Fourth Proportional to 26,443.54, 39,669.02 and 7,724.95

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Solution

The fourth proportional to 26,443.54, 39,669.02 and 7,724.95 is: 11,588.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,443.54 : 39,669.02 = 7,724.95 : x
  2. Step 2: Convert to fraction form
    26,443.54/39,669.02 = 7,724.95/x
  3. Step 3: Cross multiply
    26,443.54x = 39,669.02 × 7,724.95
  4. Step 4: Simplify right side
    26,443.54x = 306,441,196.05
  5. Step 5: Solve for x
    x = 306,441,196.05/26,443.54
  6. Step 6: Final answer
    x = 11,588.51

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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.