Home / 22,139.22-33,213.69-6,558.06

Finding the Fourth Proportional to 22,139.22, 33,213.69 and 6,558.06

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Solution

The fourth proportional to 22,139.22, 33,213.69 and 6,558.06 is: 9,838.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,139.22 : 33,213.69 = 6,558.06 : x
  2. Step 2: Convert to fraction form
    22,139.22/33,213.69 = 6,558.06/x
  3. Step 3: Cross multiply
    22,139.22x = 33,213.69 × 6,558.06
  4. Step 4: Simplify right side
    22,139.22x = 217,817,371.84
  5. Step 5: Solve for x
    x = 217,817,371.84/22,139.22
  6. Step 6: Final answer
    x = 9,838.53

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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.