Home / 29,254.64-40,371.23-15,825.85

Finding the Fourth Proportional to 29,254.64, 40,371.23 and 15,825.85

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Solution

The fourth proportional to 29,254.64, 40,371.23 and 15,825.85 is: 21,839.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,254.64 : 40,371.23 = 15,825.85 : x
  2. Step 2: Convert to fraction form
    29,254.64/40,371.23 = 15,825.85/x
  3. Step 3: Cross multiply
    29,254.64x = 40,371.23 × 15,825.85
  4. Step 4: Simplify right side
    29,254.64x = 638,908,968.93
  5. Step 5: Solve for x
    x = 638,908,968.93/29,254.64
  6. Step 6: Final answer
    x = 21,839.58

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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.