Home / 18,462.90-25,480.98-10,396.80

Finding the Fourth Proportional to 18,462.90, 25,480.98 and 10,396.80

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Solution

The fourth proportional to 18,462.90, 25,480.98 and 10,396.80 is: 14,348.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,462.90 : 25,480.98 = 10,396.80 : x
  2. Step 2: Convert to fraction form
    18,462.90/25,480.98 = 10,396.80/x
  3. Step 3: Cross multiply
    18,462.90x = 25,480.98 × 10,396.80
  4. Step 4: Simplify right side
    18,462.90x = 264,920,652.86
  5. Step 5: Solve for x
    x = 264,920,652.86/18,462.90
  6. Step 6: Final answer
    x = 14,348.81

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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.