Home / 18,631.56-25,722.18-12,352.44

Finding the Fourth Proportional to 18,631.56, 25,722.18 and 12,352.44

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Solution

The fourth proportional to 18,631.56, 25,722.18 and 12,352.44 is: 17,053.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,631.56 : 25,722.18 = 12,352.44 : x
  2. Step 2: Convert to fraction form
    18,631.56/25,722.18 = 12,352.44/x
  3. Step 3: Cross multiply
    18,631.56x = 25,722.18 × 12,352.44
  4. Step 4: Simplify right side
    18,631.56x = 317,731,685.12
  5. Step 5: Solve for x
    x = 317,731,685.12/18,631.56
  6. Step 6: Final answer
    x = 17,053.41

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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.