Home / 22,122.06-30,528.78-12,050.50

Finding the Fourth Proportional to 22,122.06, 30,528.78 and 12,050.50

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Solution

The fourth proportional to 22,122.06, 30,528.78 and 12,050.50 is: 16,629.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,122.06 : 30,528.78 = 12,050.50 : x
  2. Step 2: Convert to fraction form
    22,122.06/30,528.78 = 12,050.50/x
  3. Step 3: Cross multiply
    22,122.06x = 30,528.78 × 12,050.50
  4. Step 4: Simplify right side
    22,122.06x = 367,887,063.39
  5. Step 5: Solve for x
    x = 367,887,063.39/22,122.06
  6. Step 6: Final answer
    x = 16,629.87

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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.