Home / 18,509.10-25,542.33-10,551.06

Finding the Fourth Proportional to 18,509.10, 25,542.33 and 10,551.06

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Solution

The fourth proportional to 18,509.10, 25,542.33 and 10,551.06 is: 14,560.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,509.10 : 25,542.33 = 10,551.06 : x
  2. Step 2: Convert to fraction form
    18,509.10/25,542.33 = 10,551.06/x
  3. Step 3: Cross multiply
    18,509.10x = 25,542.33 × 10,551.06
  4. Step 4: Simplify right side
    18,509.10x = 269,498,656.37
  5. Step 5: Solve for x
    x = 269,498,656.37/18,509.10
  6. Step 6: Final answer
    x = 14,560.33

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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.