Home / 14,610.87-21,912.66-7,208.28

Finding the Fourth Proportional to 14,610.87, 21,912.66 and 7,208.28

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Solution

The fourth proportional to 14,610.87, 21,912.66 and 7,208.28 is: 10,810.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,610.87 : 21,912.66 = 7,208.28 : x
  2. Step 2: Convert to fraction form
    14,610.87/21,912.66 = 7,208.28/x
  3. Step 3: Cross multiply
    14,610.87x = 21,912.66 × 7,208.28
  4. Step 4: Simplify right side
    14,610.87x = 157,952,588.82
  5. Step 5: Solve for x
    x = 157,952,588.82/14,610.87
  6. Step 6: Final answer
    x = 10,810.62

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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.