Home / 16,840.32-23,241.20-9,671.18

Finding the Fourth Proportional to 16,840.32, 23,241.20 and 9,671.18

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Solution

The fourth proportional to 16,840.32, 23,241.20 and 9,671.18 is: 13,347.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,840.32 : 23,241.20 = 9,671.18 : x
  2. Step 2: Convert to fraction form
    16,840.32/23,241.20 = 9,671.18/x
  3. Step 3: Cross multiply
    16,840.32x = 23,241.20 × 9,671.18
  4. Step 4: Simplify right side
    16,840.32x = 224,769,876.39
  5. Step 5: Solve for x
    x = 224,769,876.39/16,840.32
  6. Step 6: Final answer
    x = 13,347.12

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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.