Home / 18,500.36-25,701.60-18,327.42

Finding the Fourth Proportional to 18,500.36, 25,701.60 and 18,327.42

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Solution

The fourth proportional to 18,500.36, 25,701.60 and 18,327.42 is: 25,461.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,500.36 : 25,701.60 = 18,327.42 : x
  2. Step 2: Convert to fraction form
    18,500.36/25,701.60 = 18,327.42/x
  3. Step 3: Cross multiply
    18,500.36x = 25,701.60 × 18,327.42
  4. Step 4: Simplify right side
    18,500.36x = 471,044,017.87
  5. Step 5: Solve for x
    x = 471,044,017.87/18,500.36
  6. Step 6: Final answer
    x = 25,461.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.