Home / 18,609.81-25,681.54-10,226.31

Finding the Fourth Proportional to 18,609.81, 25,681.54 and 10,226.31

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Solution

The fourth proportional to 18,609.81, 25,681.54 and 10,226.31 is: 14,112.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,609.81 : 25,681.54 = 10,226.31 : x
  2. Step 2: Convert to fraction form
    18,609.81/25,681.54 = 10,226.31/x
  3. Step 3: Cross multiply
    18,609.81x = 25,681.54 × 10,226.31
  4. Step 4: Simplify right side
    18,609.81x = 262,627,389.32
  5. Step 5: Solve for x
    x = 262,627,389.32/18,609.81
  6. Step 6: Final answer
    x = 14,112.31

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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.