Home / 19,239.21-26,542.31-10,854.09

Finding the Fourth Proportional to 19,239.21, 26,542.31 and 10,854.09

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Solution

The fourth proportional to 19,239.21, 26,542.31 and 10,854.09 is: 14,974.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,239.21 : 26,542.31 = 10,854.09 : x
  2. Step 2: Convert to fraction form
    19,239.21/26,542.31 = 10,854.09/x
  3. Step 3: Cross multiply
    19,239.21x = 26,542.31 × 10,854.09
  4. Step 4: Simplify right side
    19,239.21x = 288,092,567.28
  5. Step 5: Solve for x
    x = 288,092,567.28/19,239.21
  6. Step 6: Final answer
    x = 14,974.24

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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.