Home / 22,121.65-30,528.39-12,050.65

Finding the Fourth Proportional to 22,121.65, 30,528.39 and 12,050.65

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Solution

The fourth proportional to 22,121.65, 30,528.39 and 12,050.65 is: 16,630.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,121.65 : 30,528.39 = 12,050.65 : x
  2. Step 2: Convert to fraction form
    22,121.65/30,528.39 = 12,050.65/x
  3. Step 3: Cross multiply
    22,121.65x = 30,528.39 × 12,050.65
  4. Step 4: Simplify right side
    22,121.65x = 367,886,942.95
  5. Step 5: Solve for x
    x = 367,886,942.95/22,121.65
  6. Step 6: Final answer
    x = 16,630.18

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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.