Home / 19,377.71-26,749.37-13,098.59

Finding the Fourth Proportional to 19,377.71, 26,749.37 and 13,098.59

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Solution

The fourth proportional to 19,377.71, 26,749.37 and 13,098.59 is: 18,081.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,377.71 : 26,749.37 = 13,098.59 : x
  2. Step 2: Convert to fraction form
    19,377.71/26,749.37 = 13,098.59/x
  3. Step 3: Cross multiply
    19,377.71x = 26,749.37 × 13,098.59
  4. Step 4: Simplify right side
    19,377.71x = 350,378,964.90
  5. Step 5: Solve for x
    x = 350,378,964.90/19,377.71
  6. Step 6: Final answer
    x = 18,081.55

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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.