Home / 12,893.07-19,165.76-12,514.71

Finding the Fourth Proportional to 12,893.07, 19,165.76 and 12,514.71

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Solution

The fourth proportional to 12,893.07, 19,165.76 and 12,514.71 is: 18,603.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,893.07 : 19,165.76 = 12,514.71 : x
  2. Step 2: Convert to fraction form
    12,893.07/19,165.76 = 12,514.71/x
  3. Step 3: Cross multiply
    12,893.07x = 19,165.76 × 12,514.71
  4. Step 4: Simplify right side
    12,893.07x = 239,853,959.62
  5. Step 5: Solve for x
    x = 239,853,959.62/12,893.07
  6. Step 6: Final answer
    x = 18,603.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.