Home / 29,588.80-40,822.56-18,246.40

Finding the Fourth Proportional to 29,588.80, 40,822.56 and 18,246.40

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Solution

The fourth proportional to 29,588.80, 40,822.56 and 18,246.40 is: 25,173.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,588.80 : 40,822.56 = 18,246.40 : x
  2. Step 2: Convert to fraction form
    29,588.80/40,822.56 = 18,246.40/x
  3. Step 3: Cross multiply
    29,588.80x = 40,822.56 × 18,246.40
  4. Step 4: Simplify right side
    29,588.80x = 744,864,758.78
  5. Step 5: Solve for x
    x = 744,864,758.78/29,588.80
  6. Step 6: Final answer
    x = 25,173.88

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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.