Home / 18,609.75-25,681.46-10,226.25

Finding the Fourth Proportional to 18,609.75, 25,681.46 and 10,226.25

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Solution

The fourth proportional to 18,609.75, 25,681.46 and 10,226.25 is: 14,112.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,609.75 : 25,681.46 = 10,226.25 : x
  2. Step 2: Convert to fraction form
    18,609.75/25,681.46 = 10,226.25/x
  3. Step 3: Cross multiply
    18,609.75x = 25,681.46 × 10,226.25
  4. Step 4: Simplify right side
    18,609.75x = 262,624,979.19
  5. Step 5: Solve for x
    x = 262,624,979.19/18,609.75
  6. Step 6: Final answer
    x = 14,112.23

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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.