Home / 18,241.83-27,362.78-10,445.18

Finding the Fourth Proportional to 18,241.83, 27,362.78 and 10,445.18

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Solution

The fourth proportional to 18,241.83, 27,362.78 and 10,445.18 is: 15,667.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,241.83 : 27,362.78 = 10,445.18 : x
  2. Step 2: Convert to fraction form
    18,241.83/27,362.78 = 10,445.18/x
  3. Step 3: Cross multiply
    18,241.83x = 27,362.78 × 10,445.18
  4. Step 4: Simplify right side
    18,241.83x = 285,808,973.36
  5. Step 5: Solve for x
    x = 285,808,973.36/18,241.83
  6. Step 6: Final answer
    x = 15,667.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.