Home / 18,154.24-27,231.60-8,792.32

Finding the Fourth Proportional to 18,154.24, 27,231.60 and 8,792.32

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Solution

The fourth proportional to 18,154.24, 27,231.60 and 8,792.32 is: 13,188.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,154.24 : 27,231.60 = 8,792.32 : x
  2. Step 2: Convert to fraction form
    18,154.24/27,231.60 = 8,792.32/x
  3. Step 3: Cross multiply
    18,154.24x = 27,231.60 × 8,792.32
  4. Step 4: Simplify right side
    18,154.24x = 239,428,941.31
  5. Step 5: Solve for x
    x = 239,428,941.31/18,154.24
  6. Step 6: Final answer
    x = 13,188.60

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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.