Home / 22,175.87-30,602.60-12,104.31

Finding the Fourth Proportional to 22,175.87, 30,602.60 and 12,104.31

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Solution

The fourth proportional to 22,175.87, 30,602.60 and 12,104.31 is: 16,703.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,175.87 : 30,602.60 = 12,104.31 : x
  2. Step 2: Convert to fraction form
    22,175.87/30,602.60 = 12,104.31/x
  3. Step 3: Cross multiply
    22,175.87x = 30,602.60 × 12,104.31
  4. Step 4: Simplify right side
    22,175.87x = 370,423,357.21
  5. Step 5: Solve for x
    x = 370,423,357.21/22,175.87
  6. Step 6: Final answer
    x = 16,703.89

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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.