Home / 22,124.10-30,530.73-12,692.04

Finding the Fourth Proportional to 22,124.10, 30,530.73 and 12,692.04

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Solution

The fourth proportional to 22,124.10, 30,530.73 and 12,692.04 is: 17,514.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,124.10 : 30,530.73 = 12,692.04 : x
  2. Step 2: Convert to fraction form
    22,124.10/30,530.73 = 12,692.04/x
  3. Step 3: Cross multiply
    22,124.10x = 30,530.73 × 12,692.04
  4. Step 4: Simplify right side
    22,124.10x = 387,497,246.39
  5. Step 5: Solve for x
    x = 387,497,246.39/22,124.10
  6. Step 6: Final answer
    x = 17,514.71

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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.