Home / 19,131.76-26,394.42-14,107.90

Finding the Fourth Proportional to 19,131.76, 26,394.42 and 14,107.90

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Solution

The fourth proportional to 19,131.76, 26,394.42 and 14,107.90 is: 19,463.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,131.76 : 26,394.42 = 14,107.90 : x
  2. Step 2: Convert to fraction form
    19,131.76/26,394.42 = 14,107.90/x
  3. Step 3: Cross multiply
    19,131.76x = 26,394.42 × 14,107.90
  4. Step 4: Simplify right side
    19,131.76x = 372,369,837.92
  5. Step 5: Solve for x
    x = 372,369,837.92/19,131.76
  6. Step 6: Final answer
    x = 19,463.44

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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.