Home / 22,352.30-30,846.12-12,281.42

Finding the Fourth Proportional to 22,352.30, 30,846.12 and 12,281.42

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Solution

The fourth proportional to 22,352.30, 30,846.12 and 12,281.42 is: 16,948.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,352.30 : 30,846.12 = 12,281.42 : x
  2. Step 2: Convert to fraction form
    22,352.30/30,846.12 = 12,281.42/x
  3. Step 3: Cross multiply
    22,352.30x = 30,846.12 × 12,281.42
  4. Step 4: Simplify right side
    22,352.30x = 378,834,155.09
  5. Step 5: Solve for x
    x = 378,834,155.09/22,352.30
  6. Step 6: Final answer
    x = 16,948.33

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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.