Home / 19,212.18-26,508.29-11,658.34

Finding the Fourth Proportional to 19,212.18, 26,508.29 and 11,658.34

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Solution

The fourth proportional to 19,212.18, 26,508.29 and 11,658.34 is: 16,085.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,212.18 : 26,508.29 = 11,658.34 : x
  2. Step 2: Convert to fraction form
    19,212.18/26,508.29 = 11,658.34/x
  3. Step 3: Cross multiply
    19,212.18x = 26,508.29 × 11,658.34
  4. Step 4: Simplify right side
    19,212.18x = 309,042,548.95
  5. Step 5: Solve for x
    x = 309,042,548.95/19,212.18
  6. Step 6: Final answer
    x = 16,085.76

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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.