Home / 22,009.86-30,367.80-13,059.36

Finding the Fourth Proportional to 22,009.86, 30,367.80 and 13,059.36

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Solution

The fourth proportional to 22,009.86, 30,367.80 and 13,059.36 is: 18,018.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,009.86 : 30,367.80 = 13,059.36 : x
  2. Step 2: Convert to fraction form
    22,009.86/30,367.80 = 13,059.36/x
  3. Step 3: Cross multiply
    22,009.86x = 30,367.80 × 13,059.36
  4. Step 4: Simplify right side
    22,009.86x = 396,584,032.61
  5. Step 5: Solve for x
    x = 396,584,032.61/22,009.86
  6. Step 6: Final answer
    x = 18,018.47

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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.