Home / 16,933.80-25,328.70-15,191.40

Finding the Fourth Proportional to 16,933.80, 25,328.70 and 15,191.40

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Solution

The fourth proportional to 16,933.80, 25,328.70 and 15,191.40 is: 22,722.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,933.80 : 25,328.70 = 15,191.40 : x
  2. Step 2: Convert to fraction form
    16,933.80/25,328.70 = 15,191.40/x
  3. Step 3: Cross multiply
    16,933.80x = 25,328.70 × 15,191.40
  4. Step 4: Simplify right side
    16,933.80x = 384,778,413.18
  5. Step 5: Solve for x
    x = 384,778,413.18/16,933.80
  6. Step 6: Final answer
    x = 22,722.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.