Home / 20,250.36-27,943.56-12,296.94

Finding the Fourth Proportional to 20,250.36, 27,943.56 and 12,296.94

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Solution

The fourth proportional to 20,250.36, 27,943.56 and 12,296.94 is: 16,968.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,250.36 : 27,943.56 = 12,296.94 : x
  2. Step 2: Convert to fraction form
    20,250.36/27,943.56 = 12,296.94/x
  3. Step 3: Cross multiply
    20,250.36x = 27,943.56 × 12,296.94
  4. Step 4: Simplify right side
    20,250.36x = 343,620,280.71
  5. Step 5: Solve for x
    x = 343,620,280.71/20,250.36
  6. Step 6: Final answer
    x = 16,968.60

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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.