Home / 18,509.31-25,542.34-10,551.06

Finding the Fourth Proportional to 18,509.31, 25,542.34 and 10,551.06

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Solution

The fourth proportional to 18,509.31, 25,542.34 and 10,551.06 is: 14,560.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,509.31 : 25,542.34 = 10,551.06 : x
  2. Step 2: Convert to fraction form
    18,509.31/25,542.34 = 10,551.06/x
  3. Step 3: Cross multiply
    18,509.31x = 25,542.34 × 10,551.06
  4. Step 4: Simplify right side
    18,509.31x = 269,498,735.50
  5. Step 5: Solve for x
    x = 269,498,735.50/18,509.31
  6. Step 6: Final answer
    x = 14,560.17

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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.