Home / 55,213.24-82,807.68-17,766.16

Finding the Fourth Proportional to 55,213.24, 82,807.68 and 17,766.16

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Solution

The fourth proportional to 55,213.24, 82,807.68 and 17,766.16 is: 26,645.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,213.24 : 82,807.68 = 17,766.16 : x
  2. Step 2: Convert to fraction form
    55,213.24/82,807.68 = 17,766.16/x
  3. Step 3: Cross multiply
    55,213.24x = 82,807.68 × 17,766.16
  4. Step 4: Simplify right side
    55,213.24x = 1,471,174,492.11
  5. Step 5: Solve for x
    x = 1,471,174,492.11/55,213.24
  6. Step 6: Final answer
    x = 26,645.32

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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.