Home / 27,339.72-37,728.81-14,764.47

Finding the Fourth Proportional to 27,339.72, 37,728.81 and 14,764.47

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Solution

The fourth proportional to 27,339.72, 37,728.81 and 14,764.47 is: 20,374.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,339.72 : 37,728.81 = 14,764.47 : x
  2. Step 2: Convert to fraction form
    27,339.72/37,728.81 = 14,764.47/x
  3. Step 3: Cross multiply
    27,339.72x = 37,728.81 × 14,764.47
  4. Step 4: Simplify right side
    27,339.72x = 557,045,883.38
  5. Step 5: Solve for x
    x = 557,045,883.38/27,339.72
  6. Step 6: Final answer
    x = 20,374.97

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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.