Home / 27,354.14-37,748.74-14,778.90

Finding the Fourth Proportional to 27,354.14, 37,748.74 and 14,778.90

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Solution

The fourth proportional to 27,354.14, 37,748.74 and 14,778.90 is: 20,394.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,354.14 : 37,748.74 = 14,778.90 : x
  2. Step 2: Convert to fraction form
    27,354.14/37,748.74 = 14,778.90/x
  3. Step 3: Cross multiply
    27,354.14x = 37,748.74 × 14,778.90
  4. Step 4: Simplify right side
    27,354.14x = 557,884,853.59
  5. Step 5: Solve for x
    x = 557,884,853.59/27,354.14
  6. Step 6: Final answer
    x = 20,394.90

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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.