Home / 16,717.78-23,064.84-9,542.55

Finding the Fourth Proportional to 16,717.78, 23,064.84 and 9,542.55

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Solution

The fourth proportional to 16,717.78, 23,064.84 and 9,542.55 is: 13,165.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,717.78 : 23,064.84 = 9,542.55 : x
  2. Step 2: Convert to fraction form
    16,717.78/23,064.84 = 9,542.55/x
  3. Step 3: Cross multiply
    16,717.78x = 23,064.84 × 9,542.55
  4. Step 4: Simplify right side
    16,717.78x = 220,097,388.94
  5. Step 5: Solve for x
    x = 220,097,388.94/16,717.78
  6. Step 6: Final answer
    x = 13,165.47

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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.