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Finding the Fourth Proportional to 25,372.80, 35,014.08 and 14,194.80

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Solution

The fourth proportional to 25,372.80, 35,014.08 and 14,194.80 is: 19,588.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,372.80 : 35,014.08 = 14,194.80 : x
  2. Step 2: Convert to fraction form
    25,372.80/35,014.08 = 14,194.80/x
  3. Step 3: Cross multiply
    25,372.80x = 35,014.08 × 14,194.80
  4. Step 4: Simplify right side
    25,372.80x = 497,017,862.78
  5. Step 5: Solve for x
    x = 497,017,862.78/25,372.80
  6. Step 6: Final answer
    x = 19,588.61

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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.