Home / 22,616.28-31,211.46-12,544.05

Finding the Fourth Proportional to 22,616.28, 31,211.46 and 12,544.05

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Solution

The fourth proportional to 22,616.28, 31,211.46 and 12,544.05 is: 17,311.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,616.28 : 31,211.46 = 12,544.05 : x
  2. Step 2: Convert to fraction form
    22,616.28/31,211.46 = 12,544.05/x
  3. Step 3: Cross multiply
    22,616.28x = 31,211.46 × 12,544.05
  4. Step 4: Simplify right side
    22,616.28x = 391,518,114.81
  5. Step 5: Solve for x
    x = 391,518,114.81/22,616.28
  6. Step 6: Final answer
    x = 17,311.34

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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.