Home / 19,440.91-26,791.00-14,127.31

Finding the Fourth Proportional to 19,440.91, 26,791.00 and 14,127.31

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Solution

The fourth proportional to 19,440.91, 26,791.00 and 14,127.31 is: 19,468.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,440.91 : 26,791.00 = 14,127.31 : x
  2. Step 2: Convert to fraction form
    19,440.91/26,791.00 = 14,127.31/x
  3. Step 3: Cross multiply
    19,440.91x = 26,791.00 × 14,127.31
  4. Step 4: Simplify right side
    19,440.91x = 378,484,760.38
  5. Step 5: Solve for x
    x = 378,484,760.38/19,440.91
  6. Step 6: Final answer
    x = 19,468.47

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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.