Home / 14,225.48-21,356.70-10,940.90

Finding the Fourth Proportional to 14,225.48, 21,356.70 and 10,940.90

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Solution

The fourth proportional to 14,225.48, 21,356.70 and 10,940.90 is: 16,425.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,225.48 : 21,356.70 = 10,940.90 : x
  2. Step 2: Convert to fraction form
    14,225.48/21,356.70 = 10,940.90/x
  3. Step 3: Cross multiply
    14,225.48x = 21,356.70 × 10,940.90
  4. Step 4: Simplify right side
    14,225.48x = 233,661,519.03
  5. Step 5: Solve for x
    x = 233,661,519.03/14,225.48
  6. Step 6: Final answer
    x = 16,425.56

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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.