Home / 17,564.78-26,221.96-16,949.54

Finding the Fourth Proportional to 17,564.78, 26,221.96 and 16,949.54

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Solution

The fourth proportional to 17,564.78, 26,221.96 and 16,949.54 is: 25,303.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,564.78 : 26,221.96 = 16,949.54 : x
  2. Step 2: Convert to fraction form
    17,564.78/26,221.96 = 16,949.54/x
  3. Step 3: Cross multiply
    17,564.78x = 26,221.96 × 16,949.54
  4. Step 4: Simplify right side
    17,564.78x = 444,450,159.90
  5. Step 5: Solve for x
    x = 444,450,159.90/17,564.78
  6. Step 6: Final answer
    x = 25,303.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.