Home / 22,108.36-30,479.52-15,022.48

Finding the Fourth Proportional to 22,108.36, 30,479.52 and 15,022.48

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Solution

The fourth proportional to 22,108.36, 30,479.52 and 15,022.48 is: 20,710.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,108.36 : 30,479.52 = 15,022.48 : x
  2. Step 2: Convert to fraction form
    22,108.36/30,479.52 = 15,022.48/x
  3. Step 3: Cross multiply
    22,108.36x = 30,479.52 × 15,022.48
  4. Step 4: Simplify right side
    22,108.36x = 457,877,979.61
  5. Step 5: Solve for x
    x = 457,877,979.61/22,108.36
  6. Step 6: Final answer
    x = 20,710.63

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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.