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Finding the Fourth Proportional to 19,420.52, 26,800.28 and 11,037

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Solution

The fourth proportional to 19,420.52, 26,800.28 and 11,037 is: 15,231.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,420.52 : 26,800.28 = 11,037 : x
  2. Step 2: Convert to fraction form
    19,420.52/26,800.28 = 11,037/x
  3. Step 3: Cross multiply
    19,420.52x = 26,800.28 × 11,037
  4. Step 4: Simplify right side
    19,420.52x = 295,794,690.36
  5. Step 5: Solve for x
    x = 295,794,690.36/19,420.52
  6. Step 6: Final answer
    x = 15,231.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.