Home / 18,862.36-28,155.23-16,648.36

Finding the Fourth Proportional to 18,862.36, 28,155.23 and 16,648.36

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Solution

The fourth proportional to 18,862.36, 28,155.23 and 16,648.36 is: 24,850.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,862.36 : 28,155.23 = 16,648.36 : x
  2. Step 2: Convert to fraction form
    18,862.36/28,155.23 = 16,648.36/x
  3. Step 3: Cross multiply
    18,862.36x = 28,155.23 × 16,648.36
  4. Step 4: Simplify right side
    18,862.36x = 468,738,404.92
  5. Step 5: Solve for x
    x = 468,738,404.92/18,862.36
  6. Step 6: Final answer
    x = 24,850.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.