Home / 22,103.92-30,533.25-20,529.28

Finding the Fourth Proportional to 22,103.92, 30,533.25 and 20,529.28

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Solution

The fourth proportional to 22,103.92, 30,533.25 and 20,529.28 is: 28,358.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,103.92 : 30,533.25 = 20,529.28 : x
  2. Step 2: Convert to fraction form
    22,103.92/30,533.25 = 20,529.28/x
  3. Step 3: Cross multiply
    22,103.92x = 30,533.25 × 20,529.28
  4. Step 4: Simplify right side
    22,103.92x = 626,825,638.56
  5. Step 5: Solve for x
    x = 626,825,638.56/22,103.92
  6. Step 6: Final answer
    x = 28,358.12

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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.