Home / 22,167.36-30,590.90-12,095.78

Finding the Fourth Proportional to 22,167.36, 30,590.90 and 12,095.78

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Solution

The fourth proportional to 22,167.36, 30,590.90 and 12,095.78 is: 16,692.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,167.36 : 30,590.90 = 12,095.78 : x
  2. Step 2: Convert to fraction form
    22,167.36/30,590.90 = 12,095.78/x
  3. Step 3: Cross multiply
    22,167.36x = 30,590.90 × 12,095.78
  4. Step 4: Simplify right side
    22,167.36x = 370,020,796.40
  5. Step 5: Solve for x
    x = 370,020,796.40/22,167.36
  6. Step 6: Final answer
    x = 16,692.15

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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.