Home / 14,453.01-19,943.55-8,165.39

Finding the Fourth Proportional to 14,453.01, 19,943.55 and 8,165.39

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Solution

The fourth proportional to 14,453.01, 19,943.55 and 8,165.39 is: 11,267.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,453.01 : 19,943.55 = 8,165.39 : x
  2. Step 2: Convert to fraction form
    14,453.01/19,943.55 = 8,165.39/x
  3. Step 3: Cross multiply
    14,453.01x = 19,943.55 × 8,165.39
  4. Step 4: Simplify right side
    14,453.01x = 162,846,764.02
  5. Step 5: Solve for x
    x = 162,846,764.02/14,453.01
  6. Step 6: Final answer
    x = 11,267.33

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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.