Home / 19,445.33-26,834.15-11,891.75

Finding the Fourth Proportional to 19,445.33, 26,834.15 and 11,891.75

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Solution

The fourth proportional to 19,445.33, 26,834.15 and 11,891.75 is: 16,410.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,445.33 : 26,834.15 = 11,891.75 : x
  2. Step 2: Convert to fraction form
    19,445.33/26,834.15 = 11,891.75/x
  3. Step 3: Cross multiply
    19,445.33x = 26,834.15 × 11,891.75
  4. Step 4: Simplify right side
    19,445.33x = 319,104,898.82
  5. Step 5: Solve for x
    x = 319,104,898.82/19,445.33
  6. Step 6: Final answer
    x = 16,410.36

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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.