Home / 19,001.92-26,222.52-10,618.42

Finding the Fourth Proportional to 19,001.92, 26,222.52 and 10,618.42

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Solution

The fourth proportional to 19,001.92, 26,222.52 and 10,618.42 is: 14,653.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,001.92 : 26,222.52 = 10,618.42 : x
  2. Step 2: Convert to fraction form
    19,001.92/26,222.52 = 10,618.42/x
  3. Step 3: Cross multiply
    19,001.92x = 26,222.52 × 10,618.42
  4. Step 4: Simplify right side
    19,001.92x = 278,441,677.73
  5. Step 5: Solve for x
    x = 278,441,677.73/19,001.92
  6. Step 6: Final answer
    x = 14,653.34

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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.