Home / 19,289.97-26,620.52-10,906.47

Finding the Fourth Proportional to 19,289.97, 26,620.52 and 10,906.47

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Solution

The fourth proportional to 19,289.97, 26,620.52 and 10,906.47 is: 15,051.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,289.97 : 26,620.52 = 10,906.47 : x
  2. Step 2: Convert to fraction form
    19,289.97/26,620.52 = 10,906.47/x
  3. Step 3: Cross multiply
    19,289.97x = 26,620.52 × 10,906.47
  4. Step 4: Simplify right side
    19,289.97x = 290,335,848.23
  5. Step 5: Solve for x
    x = 290,335,848.23/19,289.97
  6. Step 6: Final answer
    x = 15,051.13

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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.