Home / 18,346.20-27,548.10-10,570.20

Finding the Fourth Proportional to 18,346.20, 27,548.10 and 10,570.20

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Solution

The fourth proportional to 18,346.20, 27,548.10 and 10,570.20 is: 15,871.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,346.20 : 27,548.10 = 10,570.20 : x
  2. Step 2: Convert to fraction form
    18,346.20/27,548.10 = 10,570.20/x
  3. Step 3: Cross multiply
    18,346.20x = 27,548.10 × 10,570.20
  4. Step 4: Simplify right side
    18,346.20x = 291,188,926.62
  5. Step 5: Solve for x
    x = 291,188,926.62/18,346.20
  6. Step 6: Final answer
    x = 15,871.89

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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.