Home / 16,123.76-22,251.36-9,413.68

Finding the Fourth Proportional to 16,123.76, 22,251.36 and 9,413.68

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Solution

The fourth proportional to 16,123.76, 22,251.36 and 9,413.68 is: 12,991.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,123.76 : 22,251.36 = 9,413.68 : x
  2. Step 2: Convert to fraction form
    16,123.76/22,251.36 = 9,413.68/x
  3. Step 3: Cross multiply
    16,123.76x = 22,251.36 × 9,413.68
  4. Step 4: Simplify right side
    16,123.76x = 209,467,182.60
  5. Step 5: Solve for x
    x = 209,467,182.60/16,123.76
  6. Step 6: Final answer
    x = 12,991.21

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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.