Home / 25,963.45-38,917.36-18,545.41

Finding the Fourth Proportional to 25,963.45, 38,917.36 and 18,545.41

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Solution

The fourth proportional to 25,963.45, 38,917.36 and 18,545.41 is: 27,798.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,963.45 : 38,917.36 = 18,545.41 : x
  2. Step 2: Convert to fraction form
    25,963.45/38,917.36 = 18,545.41/x
  3. Step 3: Cross multiply
    25,963.45x = 38,917.36 × 18,545.41
  4. Step 4: Simplify right side
    25,963.45x = 721,738,397.32
  5. Step 5: Solve for x
    x = 721,738,397.32/25,963.45
  6. Step 6: Final answer
    x = 27,798.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.