Home / 22,243.77-30,698.49-13,291.08

Finding the Fourth Proportional to 22,243.77, 30,698.49 and 13,291.08

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Solution

The fourth proportional to 22,243.77, 30,698.49 and 13,291.08 is: 18,342.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,243.77 : 30,698.49 = 13,291.08 : x
  2. Step 2: Convert to fraction form
    22,243.77/30,698.49 = 13,291.08/x
  3. Step 3: Cross multiply
    22,243.77x = 30,698.49 × 13,291.08
  4. Step 4: Simplify right side
    22,243.77x = 408,016,193.87
  5. Step 5: Solve for x
    x = 408,016,193.87/22,243.77
  6. Step 6: Final answer
    x = 18,342.94

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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.