Home / 29,270.66-40,393.56-15,842.03

Finding the Fourth Proportional to 29,270.66, 40,393.56 and 15,842.03

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Solution

The fourth proportional to 29,270.66, 40,393.56 and 15,842.03 is: 21,862.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,270.66 : 40,393.56 = 15,842.03 : x
  2. Step 2: Convert to fraction form
    29,270.66/40,393.56 = 15,842.03/x
  3. Step 3: Cross multiply
    29,270.66x = 40,393.56 × 15,842.03
  4. Step 4: Simplify right side
    29,270.66x = 639,915,787.36
  5. Step 5: Solve for x
    x = 639,915,787.36/29,270.66
  6. Step 6: Final answer
    x = 21,862.02

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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.