Home / 22,413.11-30,931.37-12,343.70

Finding the Fourth Proportional to 22,413.11, 30,931.37 and 12,343.70

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Solution

The fourth proportional to 22,413.11, 30,931.37 and 12,343.70 is: 17,035.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,413.11 : 30,931.37 = 12,343.70 : x
  2. Step 2: Convert to fraction form
    22,413.11/30,931.37 = 12,343.70/x
  3. Step 3: Cross multiply
    22,413.11x = 30,931.37 × 12,343.70
  4. Step 4: Simplify right side
    22,413.11x = 381,807,335.49
  5. Step 5: Solve for x
    x = 381,807,335.49/22,413.11
  6. Step 6: Final answer
    x = 17,035.00

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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.