Home / 22,420.20-33,586.56-13,633.32

Finding the Fourth Proportional to 22,420.20, 33,586.56 and 13,633.32

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Solution

The fourth proportional to 22,420.20, 33,586.56 and 13,633.32 is: 20,423.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,420.20 : 33,586.56 = 13,633.32 : x
  2. Step 2: Convert to fraction form
    22,420.20/33,586.56 = 13,633.32/x
  3. Step 3: Cross multiply
    22,420.20x = 33,586.56 × 13,633.32
  4. Step 4: Simplify right side
    22,420.20x = 457,896,320.18
  5. Step 5: Solve for x
    x = 457,896,320.18/22,420.20
  6. Step 6: Final answer
    x = 20,423.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.