Home / 22,195.02-30,618.81-13,237.14

Finding the Fourth Proportional to 22,195.02, 30,618.81 and 13,237.14

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Solution

The fourth proportional to 22,195.02, 30,618.81 and 13,237.14 is: 18,261.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,195.02 : 30,618.81 = 13,237.14 : x
  2. Step 2: Convert to fraction form
    22,195.02/30,618.81 = 13,237.14/x
  3. Step 3: Cross multiply
    22,195.02x = 30,618.81 × 13,237.14
  4. Step 4: Simplify right side
    22,195.02x = 405,305,474.60
  5. Step 5: Solve for x
    x = 405,305,474.60/22,195.02
  6. Step 6: Final answer
    x = 18,261.10

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Half scale
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Double scale
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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.