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Finding the Fourth Proportional to 25,334.90, 34,962.09 and 14,156.90

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Solution

The fourth proportional to 25,334.90, 34,962.09 and 14,156.90 is: 19,536.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,334.90 : 34,962.09 = 14,156.90 : x
  2. Step 2: Convert to fraction form
    25,334.90/34,962.09 = 14,156.90/x
  3. Step 3: Cross multiply
    25,334.90x = 34,962.09 × 14,156.90
  4. Step 4: Simplify right side
    25,334.90x = 494,954,811.92
  5. Step 5: Solve for x
    x = 494,954,811.92/25,334.90
  6. Step 6: Final answer
    x = 19,536.48

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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.