Home / 22,206.80-33,307.16-7,415.38

Finding the Fourth Proportional to 22,206.80, 33,307.16 and 7,415.38

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Solution

The fourth proportional to 22,206.80, 33,307.16 and 7,415.38 is: 11,122.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,206.80 : 33,307.16 = 7,415.38 : x
  2. Step 2: Convert to fraction form
    22,206.80/33,307.16 = 7,415.38/x
  3. Step 3: Cross multiply
    22,206.80x = 33,307.16 × 7,415.38
  4. Step 4: Simplify right side
    22,206.80x = 246,985,248.12
  5. Step 5: Solve for x
    x = 246,985,248.12/22,206.80
  6. Step 6: Final answer
    x = 11,122.05

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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.