Home / 16,966.78-23,413.37-9,413.03

Finding the Fourth Proportional to 16,966.78, 23,413.37 and 9,413.03

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Solution

The fourth proportional to 16,966.78, 23,413.37 and 9,413.03 is: 12,989.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,966.78 : 23,413.37 = 9,413.03 : x
  2. Step 2: Convert to fraction form
    16,966.78/23,413.37 = 9,413.03/x
  3. Step 3: Cross multiply
    16,966.78x = 23,413.37 × 9,413.03
  4. Step 4: Simplify right side
    16,966.78x = 220,390,818.63
  5. Step 5: Solve for x
    x = 220,390,818.63/16,966.78
  6. Step 6: Final answer
    x = 12,989.55

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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.