Home / 19,100.64-26,354.78-11,545.46

Finding the Fourth Proportional to 19,100.64, 26,354.78 and 11,545.46

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Solution

The fourth proportional to 19,100.64, 26,354.78 and 11,545.46 is: 15,930.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,100.64 : 26,354.78 = 11,545.46 : x
  2. Step 2: Convert to fraction form
    19,100.64/26,354.78 = 11,545.46/x
  3. Step 3: Cross multiply
    19,100.64x = 26,354.78 × 11,545.46
  4. Step 4: Simplify right side
    19,100.64x = 304,278,058.30
  5. Step 5: Solve for x
    x = 304,278,058.30/19,100.64
  6. Step 6: Final answer
    x = 15,930.25

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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.