Home / 22,751.67-31,413.30-15,960.12

Finding the Fourth Proportional to 22,751.67, 31,413.30 and 15,960.12

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Solution

The fourth proportional to 22,751.67, 31,413.30 and 15,960.12 is: 22,036.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,751.67 : 31,413.30 = 15,960.12 : x
  2. Step 2: Convert to fraction form
    22,751.67/31,413.30 = 15,960.12/x
  3. Step 3: Cross multiply
    22,751.67x = 31,413.30 × 15,960.12
  4. Step 4: Simplify right side
    22,751.67x = 501,360,037.60
  5. Step 5: Solve for x
    x = 501,360,037.60/22,751.67
  6. Step 6: Final answer
    x = 22,036.19

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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.