Home / 13,216.78-19,822.29-4,451.50

Finding the Fourth Proportional to 13,216.78, 19,822.29 and 4,451.50

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Solution

The fourth proportional to 13,216.78, 19,822.29 and 4,451.50 is: 6,676.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,216.78 : 19,822.29 = 4,451.50 : x
  2. Step 2: Convert to fraction form
    13,216.78/19,822.29 = 4,451.50/x
  3. Step 3: Cross multiply
    13,216.78x = 19,822.29 × 4,451.50
  4. Step 4: Simplify right side
    13,216.78x = 88,238,923.94
  5. Step 5: Solve for x
    x = 88,238,923.94/13,216.78
  6. Step 6: Final answer
    x = 6,676.28

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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.