Home / 18,500.03-25,530.45-10,116.53

Finding the Fourth Proportional to 18,500.03, 25,530.45 and 10,116.53

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Solution

The fourth proportional to 18,500.03, 25,530.45 and 10,116.53 is: 13,961.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,500.03 : 25,530.45 = 10,116.53 : x
  2. Step 2: Convert to fraction form
    18,500.03/25,530.45 = 10,116.53/x
  3. Step 3: Cross multiply
    18,500.03x = 25,530.45 × 10,116.53
  4. Step 4: Simplify right side
    18,500.03x = 258,279,563.34
  5. Step 5: Solve for x
    x = 258,279,563.34/18,500.03
  6. Step 6: Final answer
    x = 13,961.03

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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.