Home / 13,166.82-19,750.23-5,272.92

Finding the Fourth Proportional to 13,166.82, 19,750.23 and 5,272.92

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Solution

The fourth proportional to 13,166.82, 19,750.23 and 5,272.92 is: 7,909.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,166.82 : 19,750.23 = 5,272.92 : x
  2. Step 2: Convert to fraction form
    13,166.82/19,750.23 = 5,272.92/x
  3. Step 3: Cross multiply
    13,166.82x = 19,750.23 × 5,272.92
  4. Step 4: Simplify right side
    13,166.82x = 104,141,382.77
  5. Step 5: Solve for x
    x = 104,141,382.77/13,166.82
  6. Step 6: Final answer
    x = 7,909.38

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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.