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Finding the Fourth Proportional to 25,364.96, 35,005.20 and 14,186.96

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Solution

The fourth proportional to 25,364.96, 35,005.20 and 14,186.96 is: 19,578.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,364.96 : 35,005.20 = 14,186.96 : x
  2. Step 2: Convert to fraction form
    25,364.96/35,005.20 = 14,186.96/x
  3. Step 3: Cross multiply
    25,364.96x = 35,005.20 × 14,186.96
  4. Step 4: Simplify right side
    25,364.96x = 496,617,372.19
  5. Step 5: Solve for x
    x = 496,617,372.19/25,364.96
  6. Step 6: Final answer
    x = 19,578.87

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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.