Home / 13,801.62-19,045.67-7,833.18

Finding the Fourth Proportional to 13,801.62, 19,045.67 and 7,833.18

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Solution

The fourth proportional to 13,801.62, 19,045.67 and 7,833.18 is: 10,809.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,801.62 : 19,045.67 = 7,833.18 : x
  2. Step 2: Convert to fraction form
    13,801.62/19,045.67 = 7,833.18/x
  3. Step 3: Cross multiply
    13,801.62x = 19,045.67 × 7,833.18
  4. Step 4: Simplify right side
    13,801.62x = 149,188,161.33
  5. Step 5: Solve for x
    x = 149,188,161.33/13,801.62
  6. Step 6: Final answer
    x = 10,809.47

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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.