Home / 25,157.70-34,716.89-14,402.21

Finding the Fourth Proportional to 25,157.70, 34,716.89 and 14,402.21

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Solution

The fourth proportional to 25,157.70, 34,716.89 and 14,402.21 is: 19,874.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,157.70 : 34,716.89 = 14,402.21 : x
  2. Step 2: Convert to fraction form
    25,157.70/34,716.89 = 14,402.21/x
  3. Step 3: Cross multiply
    25,157.70x = 34,716.89 × 14,402.21
  4. Step 4: Simplify right side
    25,157.70x = 499,999,982.11
  5. Step 5: Solve for x
    x = 499,999,982.11/25,157.70
  6. Step 6: Final answer
    x = 19,874.63

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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.