Home / 18,253.08-25,199.28-11,885.22

Finding the Fourth Proportional to 18,253.08, 25,199.28 and 11,885.22

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Solution

The fourth proportional to 18,253.08, 25,199.28 and 11,885.22 is: 16,408.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,253.08 : 25,199.28 = 11,885.22 : x
  2. Step 2: Convert to fraction form
    18,253.08/25,199.28 = 11,885.22/x
  3. Step 3: Cross multiply
    18,253.08x = 25,199.28 × 11,885.22
  4. Step 4: Simplify right side
    18,253.08x = 299,498,986.64
  5. Step 5: Solve for x
    x = 299,498,986.64/18,253.08
  6. Step 6: Final answer
    x = 16,408.13

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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.