Home / 16,488.88-22,754.16-9,413.92

Finding the Fourth Proportional to 16,488.88, 22,754.16 and 9,413.92

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Solution

The fourth proportional to 16,488.88, 22,754.16 and 9,413.92 is: 12,990.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,488.88 : 22,754.16 = 9,413.92 : x
  2. Step 2: Convert to fraction form
    16,488.88/22,754.16 = 9,413.92/x
  3. Step 3: Cross multiply
    16,488.88x = 22,754.16 × 9,413.92
  4. Step 4: Simplify right side
    16,488.88x = 214,205,841.91
  5. Step 5: Solve for x
    x = 214,205,841.91/16,488.88
  6. Step 6: Final answer
    x = 12,990.93

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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.