Home / 18,408.30-25,403.40-10,024.80

Finding the Fourth Proportional to 18,408.30, 25,403.40 and 10,024.80

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Solution

The fourth proportional to 18,408.30, 25,403.40 and 10,024.80 is: 13,834.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,408.30 : 25,403.40 = 10,024.80 : x
  2. Step 2: Convert to fraction form
    18,408.30/25,403.40 = 10,024.80/x
  3. Step 3: Cross multiply
    18,408.30x = 25,403.40 × 10,024.80
  4. Step 4: Simplify right side
    18,408.30x = 254,664,004.32
  5. Step 5: Solve for x
    x = 254,664,004.32/18,408.30
  6. Step 6: Final answer
    x = 13,834.19

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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.