Home / 18,311.16-25,270.26-10,354.74

Finding the Fourth Proportional to 18,311.16, 25,270.26 and 10,354.74

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Solution

The fourth proportional to 18,311.16, 25,270.26 and 10,354.74 is: 14,290.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,311.16 : 25,270.26 = 10,354.74 : x
  2. Step 2: Convert to fraction form
    18,311.16/25,270.26 = 10,354.74/x
  3. Step 3: Cross multiply
    18,311.16x = 25,270.26 × 10,354.74
  4. Step 4: Simplify right side
    18,311.16x = 261,666,972.03
  5. Step 5: Solve for x
    x = 261,666,972.03/18,311.16
  6. Step 6: Final answer
    x = 14,290.03

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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.