Home / 25,628.66-35,367.72-15,018.38

Finding the Fourth Proportional to 25,628.66, 35,367.72 and 15,018.38

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Solution

The fourth proportional to 25,628.66, 35,367.72 and 15,018.38 is: 20,725.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,628.66 : 35,367.72 = 15,018.38 : x
  2. Step 2: Convert to fraction form
    25,628.66/35,367.72 = 15,018.38/x
  3. Step 3: Cross multiply
    25,628.66x = 35,367.72 × 15,018.38
  4. Step 4: Simplify right side
    25,628.66x = 531,165,858.69
  5. Step 5: Solve for x
    x = 531,165,858.69/25,628.66
  6. Step 6: Final answer
    x = 20,725.46

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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.