Home / 19,724.48-27,219.97-11,226.19

Finding the Fourth Proportional to 19,724.48, 27,219.97 and 11,226.19

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Solution

The fourth proportional to 19,724.48, 27,219.97 and 11,226.19 is: 15,492.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,724.48 : 27,219.97 = 11,226.19 : x
  2. Step 2: Convert to fraction form
    19,724.48/27,219.97 = 11,226.19/x
  3. Step 3: Cross multiply
    19,724.48x = 27,219.97 × 11,226.19
  4. Step 4: Simplify right side
    19,724.48x = 305,576,501.00
  5. Step 5: Solve for x
    x = 305,576,501.00/19,724.48
  6. Step 6: Final answer
    x = 15,492.24

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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.