Home / 16,975.54-23,424.09-9,420.82

Finding the Fourth Proportional to 16,975.54, 23,424.09 and 9,420.82

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Solution

The fourth proportional to 16,975.54, 23,424.09 and 9,420.82 is: 12,999.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,975.54 : 23,424.09 = 9,420.82 : x
  2. Step 2: Convert to fraction form
    16,975.54/23,424.09 = 9,420.82/x
  3. Step 3: Cross multiply
    16,975.54x = 23,424.09 × 9,420.82
  4. Step 4: Simplify right side
    16,975.54x = 220,674,135.55
  5. Step 5: Solve for x
    x = 220,674,135.55/16,975.54
  6. Step 6: Final answer
    x = 12,999.54

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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.