Home / 22,359.66-30,857.19-12,801.06

Finding the Fourth Proportional to 22,359.66, 30,857.19 and 12,801.06

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Solution

The fourth proportional to 22,359.66, 30,857.19 and 12,801.06 is: 17,665.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,359.66 : 30,857.19 = 12,801.06 : x
  2. Step 2: Convert to fraction form
    22,359.66/30,857.19 = 12,801.06/x
  3. Step 3: Cross multiply
    22,359.66x = 30,857.19 × 12,801.06
  4. Step 4: Simplify right side
    22,359.66x = 395,004,740.62
  5. Step 5: Solve for x
    x = 395,004,740.62/22,359.66
  6. Step 6: Final answer
    x = 17,665.95

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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.