Home / 22,250.36-30,716.60-12,817.10

Finding the Fourth Proportional to 22,250.36, 30,716.60 and 12,817.10

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Solution

The fourth proportional to 22,250.36, 30,716.60 and 12,817.10 is: 17,693.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,250.36 : 30,716.60 = 12,817.10 : x
  2. Step 2: Convert to fraction form
    22,250.36/30,716.60 = 12,817.10/x
  3. Step 3: Cross multiply
    22,250.36x = 30,716.60 × 12,817.10
  4. Step 4: Simplify right side
    22,250.36x = 393,697,516.19
  5. Step 5: Solve for x
    x = 393,697,516.19/22,250.36
  6. Step 6: Final answer
    x = 17,693.99

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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.