Home / 18,129.50-25,016.55-10,577.42

Finding the Fourth Proportional to 18,129.50, 25,016.55 and 10,577.42

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Solution

The fourth proportional to 18,129.50, 25,016.55 and 10,577.42 is: 14,595.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,129.50 : 25,016.55 = 10,577.42 : x
  2. Step 2: Convert to fraction form
    18,129.50/25,016.55 = 10,577.42/x
  3. Step 3: Cross multiply
    18,129.50x = 25,016.55 × 10,577.42
  4. Step 4: Simplify right side
    18,129.50x = 264,610,556.30
  5. Step 5: Solve for x
    x = 264,610,556.30/18,129.50
  6. Step 6: Final answer
    x = 14,595.58

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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.