Home / 29,399.60-40,555.88-18,625.46

Finding the Fourth Proportional to 29,399.60, 40,555.88 and 18,625.46

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Solution

The fourth proportional to 29,399.60, 40,555.88 and 18,625.46 is: 25,693.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,399.60 : 40,555.88 = 18,625.46 : x
  2. Step 2: Convert to fraction form
    29,399.60/40,555.88 = 18,625.46/x
  3. Step 3: Cross multiply
    29,399.60x = 40,555.88 × 18,625.46
  4. Step 4: Simplify right side
    29,399.60x = 755,371,624.80
  5. Step 5: Solve for x
    x = 755,371,624.80/29,399.60
  6. Step 6: Final answer
    x = 25,693.27

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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.