Home / 25,487.12-35,171.94-14,156.72

Finding the Fourth Proportional to 25,487.12, 35,171.94 and 14,156.72

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Solution

The fourth proportional to 25,487.12, 35,171.94 and 14,156.72 is: 19,536.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,487.12 : 35,171.94 = 14,156.72 : x
  2. Step 2: Convert to fraction form
    25,487.12/35,171.94 = 14,156.72/x
  3. Step 3: Cross multiply
    25,487.12x = 35,171.94 × 14,156.72
  4. Step 4: Simplify right side
    25,487.12x = 497,919,306.44
  5. Step 5: Solve for x
    x = 497,919,306.44/25,487.12
  6. Step 6: Final answer
    x = 19,536.11

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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.