Home / 25,805.91-35,603.75-15,048.35

Finding the Fourth Proportional to 25,805.91, 35,603.75 and 15,048.35

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Solution

The fourth proportional to 25,805.91, 35,603.75 and 15,048.35 is: 20,761.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,805.91 : 35,603.75 = 15,048.35 : x
  2. Step 2: Convert to fraction form
    25,805.91/35,603.75 = 15,048.35/x
  3. Step 3: Cross multiply
    25,805.91x = 35,603.75 × 15,048.35
  4. Step 4: Simplify right side
    25,805.91x = 535,777,438.05
  5. Step 5: Solve for x
    x = 535,777,438.05/25,805.91
  6. Step 6: Final answer
    x = 20,761.81

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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.