Home / 25,174.16-34,758.12-18,102.80

Finding the Fourth Proportional to 25,174.16, 34,758.12 and 18,102.80

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Solution

The fourth proportional to 25,174.16, 34,758.12 and 18,102.80 is: 24,994.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,174.16 : 34,758.12 = 18,102.80 : x
  2. Step 2: Convert to fraction form
    25,174.16/34,758.12 = 18,102.80/x
  3. Step 3: Cross multiply
    25,174.16x = 34,758.12 × 18,102.80
  4. Step 4: Simplify right side
    25,174.16x = 629,219,294.74
  5. Step 5: Solve for x
    x = 629,219,294.74/25,174.16
  6. Step 6: Final answer
    x = 24,994.65

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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.