Home / 18,282.32-25,229.60-10,325.08

Finding the Fourth Proportional to 18,282.32, 25,229.60 and 10,325.08

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Solution

The fourth proportional to 18,282.32, 25,229.60 and 10,325.08 is: 14,248.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,282.32 : 25,229.60 = 10,325.08 : x
  2. Step 2: Convert to fraction form
    18,282.32/25,229.60 = 10,325.08/x
  3. Step 3: Cross multiply
    18,282.32x = 25,229.60 × 10,325.08
  4. Step 4: Simplify right side
    18,282.32x = 260,497,638.37
  5. Step 5: Solve for x
    x = 260,497,638.37/18,282.32
  6. Step 6: Final answer
    x = 14,248.61

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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.