Home / 16,974.39-23,424.60-9,420.75

Finding the Fourth Proportional to 16,974.39, 23,424.60 and 9,420.75

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Solution

The fourth proportional to 16,974.39, 23,424.60 and 9,420.75 is: 13,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,974.39 : 23,424.60 = 9,420.75 : x
  2. Step 2: Convert to fraction form
    16,974.39/23,424.60 = 9,420.75/x
  3. Step 3: Cross multiply
    16,974.39x = 23,424.60 × 9,420.75
  4. Step 4: Simplify right side
    16,974.39x = 220,677,300.45
  5. Step 5: Solve for x
    x = 220,677,300.45/16,974.39
  6. Step 6: Final answer
    x = 13,000.60

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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.