Home / 18,559.03-25,577.10-13,181.70

Finding the Fourth Proportional to 18,559.03, 25,577.10 and 13,181.70

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Solution

The fourth proportional to 18,559.03, 25,577.10 and 13,181.70 is: 18,166.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,559.03 : 25,577.10 = 13,181.70 : x
  2. Step 2: Convert to fraction form
    18,559.03/25,577.10 = 13,181.70/x
  3. Step 3: Cross multiply
    18,559.03x = 25,577.10 × 13,181.70
  4. Step 4: Simplify right side
    18,559.03x = 337,149,659.07
  5. Step 5: Solve for x
    x = 337,149,659.07/18,559.03
  6. Step 6: Final answer
    x = 18,166.34

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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.