Home / 18,570.48-27,856.38-6,090.80

Finding the Fourth Proportional to 18,570.48, 27,856.38 and 6,090.80

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Solution

The fourth proportional to 18,570.48, 27,856.38 and 6,090.80 is: 9,136.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,570.48 : 27,856.38 = 6,090.80 : x
  2. Step 2: Convert to fraction form
    18,570.48/27,856.38 = 6,090.80/x
  3. Step 3: Cross multiply
    18,570.48x = 27,856.38 × 6,090.80
  4. Step 4: Simplify right side
    18,570.48x = 169,667,639.30
  5. Step 5: Solve for x
    x = 169,667,639.30/18,570.48
  6. Step 6: Final answer
    x = 9,136.42

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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.