Home / 25,365.38-35,005.84-14,187.38

Finding the Fourth Proportional to 25,365.38, 35,005.84 and 14,187.38

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Solution

The fourth proportional to 25,365.38, 35,005.84 and 14,187.38 is: 19,579.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,365.38 : 35,005.84 = 14,187.38 : x
  2. Step 2: Convert to fraction form
    25,365.38/35,005.84 = 14,187.38/x
  3. Step 3: Cross multiply
    25,365.38x = 35,005.84 × 14,187.38
  4. Step 4: Simplify right side
    25,365.38x = 496,640,943.80
  5. Step 5: Solve for x
    x = 496,640,943.80/25,365.38
  6. Step 6: Final answer
    x = 19,579.48

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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.