Home / 22,000.74-30,361.42-11,929.52

Finding the Fourth Proportional to 22,000.74, 30,361.42 and 11,929.52

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Solution

The fourth proportional to 22,000.74, 30,361.42 and 11,929.52 is: 16,462.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,000.74 : 30,361.42 = 11,929.52 : x
  2. Step 2: Convert to fraction form
    22,000.74/30,361.42 = 11,929.52/x
  3. Step 3: Cross multiply
    22,000.74x = 30,361.42 × 11,929.52
  4. Step 4: Simplify right side
    22,000.74x = 362,197,167.12
  5. Step 5: Solve for x
    x = 362,197,167.12/22,000.74
  6. Step 6: Final answer
    x = 16,462.95

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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.