Home / 25,196.20-37,776.82-21,272.98

Finding the Fourth Proportional to 25,196.20, 37,776.82 and 21,272.98

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Solution

The fourth proportional to 25,196.20, 37,776.82 and 21,272.98 is: 31,894.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,196.20 : 37,776.82 = 21,272.98 : x
  2. Step 2: Convert to fraction form
    25,196.20/37,776.82 = 21,272.98/x
  3. Step 3: Cross multiply
    25,196.20x = 37,776.82 × 21,272.98
  4. Step 4: Simplify right side
    25,196.20x = 803,625,536.32
  5. Step 5: Solve for x
    x = 803,625,536.32/25,196.20
  6. Step 6: Final answer
    x = 31,894.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.