Home / 19,438.39-26,825.09-10,940.68

Finding the Fourth Proportional to 19,438.39, 26,825.09 and 10,940.68

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Solution

The fourth proportional to 19,438.39, 26,825.09 and 10,940.68 is: 15,098.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,438.39 : 26,825.09 = 10,940.68 : x
  2. Step 2: Convert to fraction form
    19,438.39/26,825.09 = 10,940.68/x
  3. Step 3: Cross multiply
    19,438.39x = 26,825.09 × 10,940.68
  4. Step 4: Simplify right side
    19,438.39x = 293,484,536.83
  5. Step 5: Solve for x
    x = 293,484,536.83/19,438.39
  6. Step 6: Final answer
    x = 15,098.20

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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.