Home / 18,208.80-25,130.52-10,252.56

Finding the Fourth Proportional to 18,208.80, 25,130.52 and 10,252.56

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Solution

The fourth proportional to 18,208.80, 25,130.52 and 10,252.56 is: 14,149.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,208.80 : 25,130.52 = 10,252.56 : x
  2. Step 2: Convert to fraction form
    18,208.80/25,130.52 = 10,252.56/x
  3. Step 3: Cross multiply
    18,208.80x = 25,130.52 × 10,252.56
  4. Step 4: Simplify right side
    18,208.80x = 257,652,164.13
  5. Step 5: Solve for x
    x = 257,652,164.13/18,208.80
  6. Step 6: Final answer
    x = 14,149.87

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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.