Home / 18,509.12-25,542.96-10,126.16

Finding the Fourth Proportional to 18,509.12, 25,542.96 and 10,126.16

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Solution

The fourth proportional to 18,509.12, 25,542.96 and 10,126.16 is: 13,974.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,509.12 : 25,542.96 = 10,126.16 : x
  2. Step 2: Convert to fraction form
    18,509.12/25,542.96 = 10,126.16/x
  3. Step 3: Cross multiply
    18,509.12x = 25,542.96 × 10,126.16
  4. Step 4: Simplify right side
    18,509.12x = 258,652,099.83
  5. Step 5: Solve for x
    x = 258,652,099.83/18,509.12
  6. Step 6: Final answer
    x = 13,974.31

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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.