Home / 16,770.02-23,143.23-9,216.66

Finding the Fourth Proportional to 16,770.02, 23,143.23 and 9,216.66

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Solution

The fourth proportional to 16,770.02, 23,143.23 and 9,216.66 is: 12,719.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,770.02 : 23,143.23 = 9,216.66 : x
  2. Step 2: Convert to fraction form
    16,770.02/23,143.23 = 9,216.66/x
  3. Step 3: Cross multiply
    16,770.02x = 23,143.23 × 9,216.66
  4. Step 4: Simplify right side
    16,770.02x = 213,303,282.21
  5. Step 5: Solve for x
    x = 213,303,282.21/16,770.02
  6. Step 6: Final answer
    x = 12,719.33

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Double scale
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Similar ratio
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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.