Home / 19,148.87-26,425.81-11,195.71

Finding the Fourth Proportional to 19,148.87, 26,425.81 and 11,195.71

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Solution

The fourth proportional to 19,148.87, 26,425.81 and 11,195.71 is: 15,450.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,148.87 : 26,425.81 = 11,195.71 : x
  2. Step 2: Convert to fraction form
    19,148.87/26,425.81 = 11,195.71/x
  3. Step 3: Cross multiply
    19,148.87x = 26,425.81 × 11,195.71
  4. Step 4: Simplify right side
    19,148.87x = 295,855,705.28
  5. Step 5: Solve for x
    x = 295,855,705.28/19,148.87
  6. Step 6: Final answer
    x = 15,450.30

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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.