Home / 16,817.56-23,205.78-9,742.60

Finding the Fourth Proportional to 16,817.56, 23,205.78 and 9,742.60

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Solution

The fourth proportional to 16,817.56, 23,205.78 and 9,742.60 is: 13,443.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,817.56 : 23,205.78 = 9,742.60 : x
  2. Step 2: Convert to fraction form
    16,817.56/23,205.78 = 9,742.60/x
  3. Step 3: Cross multiply
    16,817.56x = 23,205.78 × 9,742.60
  4. Step 4: Simplify right side
    16,817.56x = 226,084,632.23
  5. Step 5: Solve for x
    x = 226,084,632.23/16,817.56
  6. Step 6: Final answer
    x = 13,443.37

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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.