Home / 18,408.16-25,403.98-10,451.13

Finding the Fourth Proportional to 18,408.16, 25,403.98 and 10,451.13

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Solution

The fourth proportional to 18,408.16, 25,403.98 and 10,451.13 is: 14,422.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,408.16 : 25,403.98 = 10,451.13 : x
  2. Step 2: Convert to fraction form
    18,408.16/25,403.98 = 10,451.13/x
  3. Step 3: Cross multiply
    18,408.16x = 25,403.98 × 10,451.13
  4. Step 4: Simplify right side
    18,408.16x = 265,500,195.70
  5. Step 5: Solve for x
    x = 265,500,195.70/18,408.16
  6. Step 6: Final answer
    x = 14,422.96

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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.