Home / 13,939.92-19,237.10-7,566.51

Finding the Fourth Proportional to 13,939.92, 19,237.10 and 7,566.51

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Solution

The fourth proportional to 13,939.92, 19,237.10 and 7,566.51 is: 10,441.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,939.92 : 19,237.10 = 7,566.51 : x
  2. Step 2: Convert to fraction form
    13,939.92/19,237.10 = 7,566.51/x
  3. Step 3: Cross multiply
    13,939.92x = 19,237.10 × 7,566.51
  4. Step 4: Simplify right side
    13,939.92x = 145,557,575.50
  5. Step 5: Solve for x
    x = 145,557,575.50/13,939.92
  6. Step 6: Final answer
    x = 10,441.78

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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.