Home / 22,005.90-33,013.72-10,918.62

Finding the Fourth Proportional to 22,005.90, 33,013.72 and 10,918.62

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Solution

The fourth proportional to 22,005.90, 33,013.72 and 10,918.62 is: 16,380.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,005.90 : 33,013.72 = 10,918.62 : x
  2. Step 2: Convert to fraction form
    22,005.90/33,013.72 = 10,918.62/x
  3. Step 3: Cross multiply
    22,005.90x = 33,013.72 × 10,918.62
  4. Step 4: Simplify right side
    22,005.90x = 360,464,263.47
  5. Step 5: Solve for x
    x = 360,464,263.47/22,005.90
  6. Step 6: Final answer
    x = 16,380.35

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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.