Home / 27,521.78-37,979.89-14,946.42

Finding the Fourth Proportional to 27,521.78, 37,979.89 and 14,946.42

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Solution

The fourth proportional to 27,521.78, 37,979.89 and 14,946.42 is: 20,625.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,521.78 : 37,979.89 = 14,946.42 : x
  2. Step 2: Convert to fraction form
    27,521.78/37,979.89 = 14,946.42/x
  3. Step 3: Cross multiply
    27,521.78x = 37,979.89 × 14,946.42
  4. Step 4: Simplify right side
    27,521.78x = 567,663,387.49
  5. Step 5: Solve for x
    x = 567,663,387.49/27,521.78
  6. Step 6: Final answer
    x = 20,625.97

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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.