Home / 22,228.08-30,675.57-12,155.92

Finding the Fourth Proportional to 22,228.08, 30,675.57 and 12,155.92

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Solution

The fourth proportional to 22,228.08, 30,675.57 and 12,155.92 is: 16,775.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,228.08 : 30,675.57 = 12,155.92 : x
  2. Step 2: Convert to fraction form
    22,228.08/30,675.57 = 12,155.92/x
  3. Step 3: Cross multiply
    22,228.08x = 30,675.57 × 12,155.92
  4. Step 4: Simplify right side
    22,228.08x = 372,889,774.87
  5. Step 5: Solve for x
    x = 372,889,774.87/22,228.08
  6. Step 6: Final answer
    x = 16,775.62

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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.