Home / 19,131.78-26,400.57-10,633.35

Finding the Fourth Proportional to 19,131.78, 26,400.57 and 10,633.35

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Solution

The fourth proportional to 19,131.78, 26,400.57 and 10,633.35 is: 14,673.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,131.78 : 26,400.57 = 10,633.35 : x
  2. Step 2: Convert to fraction form
    19,131.78/26,400.57 = 10,633.35/x
  3. Step 3: Cross multiply
    19,131.78x = 26,400.57 × 10,633.35
  4. Step 4: Simplify right side
    19,131.78x = 280,726,527.59
  5. Step 5: Solve for x
    x = 280,726,527.59/19,131.78
  6. Step 6: Final answer
    x = 14,673.31

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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.