Home / 25,721.75-35,494.71-14,391.27

Finding the Fourth Proportional to 25,721.75, 35,494.71 and 14,391.27

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Solution

The fourth proportional to 25,721.75, 35,494.71 and 14,391.27 is: 19,859.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,721.75 : 35,494.71 = 14,391.27 : x
  2. Step 2: Convert to fraction form
    25,721.75/35,494.71 = 14,391.27/x
  3. Step 3: Cross multiply
    25,721.75x = 35,494.71 × 14,391.27
  4. Step 4: Simplify right side
    25,721.75x = 510,813,901.21
  5. Step 5: Solve for x
    x = 510,813,901.21/25,721.75
  6. Step 6: Final answer
    x = 19,859.22

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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.