Home / 14,150.57-21,207.47-5,821.11

Finding the Fourth Proportional to 14,150.57, 21,207.47 and 5,821.11

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Solution

The fourth proportional to 14,150.57, 21,207.47 and 5,821.11 is: 8,724.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,150.57 : 21,207.47 = 5,821.11 : x
  2. Step 2: Convert to fraction form
    14,150.57/21,207.47 = 5,821.11/x
  3. Step 3: Cross multiply
    14,150.57x = 21,207.47 × 5,821.11
  4. Step 4: Simplify right side
    14,150.57x = 123,450,986.59
  5. Step 5: Solve for x
    x = 123,450,986.59/14,150.57
  6. Step 6: Final answer
    x = 8,724.10

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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.