Home / 13,939.24-19,236.17-7,565.83

Finding the Fourth Proportional to 13,939.24, 19,236.17 and 7,565.83

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Solution

The fourth proportional to 13,939.24, 19,236.17 and 7,565.83 is: 10,440.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,939.24 : 19,236.17 = 7,565.83 : x
  2. Step 2: Convert to fraction form
    13,939.24/19,236.17 = 7,565.83/x
  3. Step 3: Cross multiply
    13,939.24x = 19,236.17 × 7,565.83
  4. Step 4: Simplify right side
    13,939.24x = 145,537,592.07
  5. Step 5: Solve for x
    x = 145,537,592.07/13,939.24
  6. Step 6: Final answer
    x = 10,440.86

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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.