Home / 22,010.36-30,374.40-11,938.92

Finding the Fourth Proportional to 22,010.36, 30,374.40 and 11,938.92

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Solution

The fourth proportional to 22,010.36, 30,374.40 and 11,938.92 is: 16,475.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,010.36 : 30,374.40 = 11,938.92 : x
  2. Step 2: Convert to fraction form
    22,010.36/30,374.40 = 11,938.92/x
  3. Step 3: Cross multiply
    22,010.36x = 30,374.40 × 11,938.92
  4. Step 4: Simplify right side
    22,010.36x = 362,637,531.65
  5. Step 5: Solve for x
    x = 362,637,531.65/22,010.36
  6. Step 6: Final answer
    x = 16,475.77

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Double scale
Find fourth proportional to 22,011.36, 30,375.78 and 11,939.92
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.