Home / 25,121.84-34,669.86-14,512.28

Finding the Fourth Proportional to 25,121.84, 34,669.86 and 14,512.28

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Solution

The fourth proportional to 25,121.84, 34,669.86 and 14,512.28 is: 20,027.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,121.84 : 34,669.86 = 14,512.28 : x
  2. Step 2: Convert to fraction form
    25,121.84/34,669.86 = 14,512.28/x
  3. Step 3: Cross multiply
    25,121.84x = 34,669.86 × 14,512.28
  4. Step 4: Simplify right side
    25,121.84x = 503,138,715.88
  5. Step 5: Solve for x
    x = 503,138,715.88/25,121.84
  6. Step 6: Final answer
    x = 20,027.94

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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.