Home / 16,840.24-23,239.10-9,671.43

Finding the Fourth Proportional to 16,840.24, 23,239.10 and 9,671.43

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Solution

The fourth proportional to 16,840.24, 23,239.10 and 9,671.43 is: 13,346.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,840.24 : 23,239.10 = 9,671.43 : x
  2. Step 2: Convert to fraction form
    16,840.24/23,239.10 = 9,671.43/x
  3. Step 3: Cross multiply
    16,840.24x = 23,239.10 × 9,671.43
  4. Step 4: Simplify right side
    16,840.24x = 224,755,440.24
  5. Step 5: Solve for x
    x = 224,755,440.24/16,840.24
  6. Step 6: Final answer
    x = 13,346.33

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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.