Home / 14,760.39-22,042.75-12,971.91

Finding the Fourth Proportional to 14,760.39, 22,042.75 and 12,971.91

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Solution

The fourth proportional to 14,760.39, 22,042.75 and 12,971.91 is: 19,371.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,760.39 : 22,042.75 = 12,971.91 : x
  2. Step 2: Convert to fraction form
    14,760.39/22,042.75 = 12,971.91/x
  3. Step 3: Cross multiply
    14,760.39x = 22,042.75 × 12,971.91
  4. Step 4: Simplify right side
    14,760.39x = 285,936,569.15
  5. Step 5: Solve for x
    x = 285,936,569.15/14,760.39
  6. Step 6: Final answer
    x = 19,371.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.