Home / 29,254.54-40,371.21-15,825.81

Finding the Fourth Proportional to 29,254.54, 40,371.21 and 15,825.81

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Solution

The fourth proportional to 29,254.54, 40,371.21 and 15,825.81 is: 21,839.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,254.54 : 40,371.21 = 15,825.81 : x
  2. Step 2: Convert to fraction form
    29,254.54/40,371.21 = 15,825.81/x
  3. Step 3: Cross multiply
    29,254.54x = 40,371.21 × 15,825.81
  4. Step 4: Simplify right side
    29,254.54x = 638,907,098.93
  5. Step 5: Solve for x
    x = 638,907,098.93/29,254.54
  6. Step 6: Final answer
    x = 21,839.59

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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.