Home / 19,270.78-26,606.20-17,250.68

Finding the Fourth Proportional to 19,270.78, 26,606.20 and 17,250.68

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Solution

The fourth proportional to 19,270.78, 26,606.20 and 17,250.68 is: 23,817.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,270.78 : 26,606.20 = 17,250.68 : x
  2. Step 2: Convert to fraction form
    19,270.78/26,606.20 = 17,250.68/x
  3. Step 3: Cross multiply
    19,270.78x = 26,606.20 × 17,250.68
  4. Step 4: Simplify right side
    19,270.78x = 458,975,042.22
  5. Step 5: Solve for x
    x = 458,975,042.22/19,270.78
  6. Step 6: Final answer
    x = 23,817.15

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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.