Home / 29,272.50-40,385.03-19,206.50

Finding the Fourth Proportional to 29,272.50, 40,385.03 and 19,206.50

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Solution

The fourth proportional to 29,272.50, 40,385.03 and 19,206.50 is: 26,497.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,272.50 : 40,385.03 = 19,206.50 : x
  2. Step 2: Convert to fraction form
    29,272.50/40,385.03 = 19,206.50/x
  3. Step 3: Cross multiply
    29,272.50x = 40,385.03 × 19,206.50
  4. Step 4: Simplify right side
    29,272.50x = 775,654,780.74
  5. Step 5: Solve for x
    x = 775,654,780.74/29,272.50
  6. Step 6: Final answer
    x = 26,497.73

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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.