Home / 16,935.60-25,406.10-7,069.80

Finding the Fourth Proportional to 16,935.60, 25,406.10 and 7,069.80

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Solution

The fourth proportional to 16,935.60, 25,406.10 and 7,069.80 is: 10,605.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,935.60 : 25,406.10 = 7,069.80 : x
  2. Step 2: Convert to fraction form
    16,935.60/25,406.10 = 7,069.80/x
  3. Step 3: Cross multiply
    16,935.60x = 25,406.10 × 7,069.80
  4. Step 4: Simplify right side
    16,935.60x = 179,616,045.78
  5. Step 5: Solve for x
    x = 179,616,045.78/16,935.60
  6. Step 6: Final answer
    x = 10,605.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.