Home / 16,890.75-23,309.24-9,440.19

Finding the Fourth Proportional to 16,890.75, 23,309.24 and 9,440.19

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Solution

The fourth proportional to 16,890.75, 23,309.24 and 9,440.19 is: 13,027.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,890.75 : 23,309.24 = 9,440.19 : x
  2. Step 2: Convert to fraction form
    16,890.75/23,309.24 = 9,440.19/x
  3. Step 3: Cross multiply
    16,890.75x = 23,309.24 × 9,440.19
  4. Step 4: Simplify right side
    16,890.75x = 220,043,607.15
  5. Step 5: Solve for x
    x = 220,043,607.15/16,890.75
  6. Step 6: Final answer
    x = 13,027.46

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Half scale
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Double scale
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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.