Home / 17,390.45-23,998.73-9,432.81

Finding the Fourth Proportional to 17,390.45, 23,998.73 and 9,432.81

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Solution

The fourth proportional to 17,390.45, 23,998.73 and 9,432.81 is: 13,017.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,390.45 : 23,998.73 = 9,432.81 : x
  2. Step 2: Convert to fraction form
    17,390.45/23,998.73 = 9,432.81/x
  3. Step 3: Cross multiply
    17,390.45x = 23,998.73 × 9,432.81
  4. Step 4: Simplify right side
    17,390.45x = 226,375,413.17
  5. Step 5: Solve for x
    x = 226,375,413.17/17,390.45
  6. Step 6: Final answer
    x = 13,017.23

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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.