Home / 16,840.04-23,241.35-9,672.20

Finding the Fourth Proportional to 16,840.04, 23,241.35 and 9,672.20

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Solution

The fourth proportional to 16,840.04, 23,241.35 and 9,672.20 is: 13,348.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,840.04 : 23,241.35 = 9,672.20 : x
  2. Step 2: Convert to fraction form
    16,840.04/23,241.35 = 9,672.20/x
  3. Step 3: Cross multiply
    16,840.04x = 23,241.35 × 9,672.20
  4. Step 4: Simplify right side
    16,840.04x = 224,794,985.47
  5. Step 5: Solve for x
    x = 224,794,985.47/16,840.04
  6. Step 6: Final answer
    x = 13,348.84

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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.