Home / 18,860.67-28,291.14-5,714.01

Finding the Fourth Proportional to 18,860.67, 28,291.14 and 5,714.01

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Solution

The fourth proportional to 18,860.67, 28,291.14 and 5,714.01 is: 8,571.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,860.67 : 28,291.14 = 5,714.01 : x
  2. Step 2: Convert to fraction form
    18,860.67/28,291.14 = 5,714.01/x
  3. Step 3: Cross multiply
    18,860.67x = 28,291.14 × 5,714.01
  4. Step 4: Simplify right side
    18,860.67x = 161,655,856.87
  5. Step 5: Solve for x
    x = 161,655,856.87/18,860.67
  6. Step 6: Final answer
    x = 8,571.06

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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.