Home / 13,032.07-17,986.67-7,443.07

Finding the Fourth Proportional to 13,032.07, 17,986.67 and 7,443.07

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Solution

The fourth proportional to 13,032.07, 17,986.67 and 7,443.07 is: 10,272.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,032.07 : 17,986.67 = 7,443.07 : x
  2. Step 2: Convert to fraction form
    13,032.07/17,986.67 = 7,443.07/x
  3. Step 3: Cross multiply
    13,032.07x = 17,986.67 × 7,443.07
  4. Step 4: Simplify right side
    13,032.07x = 133,876,006.66
  5. Step 5: Solve for x
    x = 133,876,006.66/13,032.07
  6. Step 6: Final answer
    x = 10,272.81

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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.