Home / 18,500.32-25,530.54-10,116.82

Finding the Fourth Proportional to 18,500.32, 25,530.54 and 10,116.82

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Solution

The fourth proportional to 18,500.32, 25,530.54 and 10,116.82 is: 13,961.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,500.32 : 25,530.54 = 10,116.82 : x
  2. Step 2: Convert to fraction form
    18,500.32/25,530.54 = 10,116.82/x
  3. Step 3: Cross multiply
    18,500.32x = 25,530.54 × 10,116.82
  4. Step 4: Simplify right side
    18,500.32x = 258,287,877.68
  5. Step 5: Solve for x
    x = 258,287,877.68/18,500.32
  6. Step 6: Final answer
    x = 13,961.27

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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.