Home / 27,425.14-37,847.40-16,820.62

Finding the Fourth Proportional to 27,425.14, 37,847.40 and 16,820.62

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Solution

The fourth proportional to 27,425.14, 37,847.40 and 16,820.62 is: 23,212.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,425.14 : 37,847.40 = 16,820.62 : x
  2. Step 2: Convert to fraction form
    27,425.14/37,847.40 = 16,820.62/x
  3. Step 3: Cross multiply
    27,425.14x = 37,847.40 × 16,820.62
  4. Step 4: Simplify right side
    27,425.14x = 636,616,733.39
  5. Step 5: Solve for x
    x = 636,616,733.39/27,425.14
  6. Step 6: Final answer
    x = 23,212.89

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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.