Home / 22,237.98-30,689.13-12,166.19

Finding the Fourth Proportional to 22,237.98, 30,689.13 and 12,166.19

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Solution

The fourth proportional to 22,237.98, 30,689.13 and 12,166.19 is: 16,789.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,237.98 : 30,689.13 = 12,166.19 : x
  2. Step 2: Convert to fraction form
    22,237.98/30,689.13 = 12,166.19/x
  3. Step 3: Cross multiply
    22,237.98x = 30,689.13 × 12,166.19
  4. Step 4: Simplify right side
    22,237.98x = 373,369,786.51
  5. Step 5: Solve for x
    x = 373,369,786.51/22,237.98
  6. Step 6: Final answer
    x = 16,789.73

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Half scale
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Double scale
Find fourth proportional to 22,238.98, 30,690.51 and 12,167.19
Similar ratio
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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.