Home / 22,282.62-30,749.58-12,211.05

Finding the Fourth Proportional to 22,282.62, 30,749.58 and 12,211.05

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Solution

The fourth proportional to 22,282.62, 30,749.58 and 12,211.05 is: 16,851.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,282.62 : 30,749.58 = 12,211.05 : x
  2. Step 2: Convert to fraction form
    22,282.62/30,749.58 = 12,211.05/x
  3. Step 3: Cross multiply
    22,282.62x = 30,749.58 × 12,211.05
  4. Step 4: Simplify right side
    22,282.62x = 375,484,658.86
  5. Step 5: Solve for x
    x = 375,484,658.86/22,282.62
  6. Step 6: Final answer
    x = 16,851.01

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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.