Home / 16,966.29-23,413.55-9,412.77

Finding the Fourth Proportional to 16,966.29, 23,413.55 and 9,412.77

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Solution

The fourth proportional to 16,966.29, 23,413.55 and 9,412.77 is: 12,989.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,966.29 : 23,413.55 = 9,412.77 : x
  2. Step 2: Convert to fraction form
    16,966.29/23,413.55 = 9,412.77/x
  3. Step 3: Cross multiply
    16,966.29x = 23,413.55 × 9,412.77
  4. Step 4: Simplify right side
    16,966.29x = 220,386,313.97
  5. Step 5: Solve for x
    x = 220,386,313.97/16,966.29
  6. Step 6: Final answer
    x = 12,989.66

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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.