Home / 19,443.14-26,830.94-10,945.74

Finding the Fourth Proportional to 19,443.14, 26,830.94 and 10,945.74

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Solution

The fourth proportional to 19,443.14, 26,830.94 and 10,945.74 is: 15,104.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,443.14 : 26,830.94 = 10,945.74 : x
  2. Step 2: Convert to fraction form
    19,443.14/26,830.94 = 10,945.74/x
  3. Step 3: Cross multiply
    19,443.14x = 26,830.94 × 10,945.74
  4. Step 4: Simplify right side
    19,443.14x = 293,684,493.20
  5. Step 5: Solve for x
    x = 293,684,493.20/19,443.14
  6. Step 6: Final answer
    x = 15,104.79

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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.