Home / 18,572.48-27,857.60-8,697.92

Finding the Fourth Proportional to 18,572.48, 27,857.60 and 8,697.92

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Solution

The fourth proportional to 18,572.48, 27,857.60 and 8,697.92 is: 13,046.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,572.48 : 27,857.60 = 8,697.92 : x
  2. Step 2: Convert to fraction form
    18,572.48/27,857.60 = 8,697.92/x
  3. Step 3: Cross multiply
    18,572.48x = 27,857.60 × 8,697.92
  4. Step 4: Simplify right side
    18,572.48x = 242,303,176.19
  5. Step 5: Solve for x
    x = 242,303,176.19/18,572.48
  6. Step 6: Final answer
    x = 13,046.36

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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.