Home / 15,954.57-22,016.61-8,880.84

Finding the Fourth Proportional to 15,954.57, 22,016.61 and 8,880.84

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Solution

The fourth proportional to 15,954.57, 22,016.61 and 8,880.84 is: 12,255.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,954.57 : 22,016.61 = 8,880.84 : x
  2. Step 2: Convert to fraction form
    15,954.57/22,016.61 = 8,880.84/x
  3. Step 3: Cross multiply
    15,954.57x = 22,016.61 × 8,880.84
  4. Step 4: Simplify right side
    15,954.57x = 195,525,990.75
  5. Step 5: Solve for x
    x = 195,525,990.75/15,954.57
  6. Step 6: Final answer
    x = 12,255.17

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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.