Home / 16,731.98-23,090.15-9,279.98

Finding the Fourth Proportional to 16,731.98, 23,090.15 and 9,279.98

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Solution

The fourth proportional to 16,731.98, 23,090.15 and 9,279.98 is: 12,806.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,731.98 : 23,090.15 = 9,279.98 : x
  2. Step 2: Convert to fraction form
    16,731.98/23,090.15 = 9,279.98/x
  3. Step 3: Cross multiply
    16,731.98x = 23,090.15 × 9,279.98
  4. Step 4: Simplify right side
    16,731.98x = 214,276,202.22
  5. Step 5: Solve for x
    x = 214,276,202.22/16,731.98
  6. Step 6: Final answer
    x = 12,806.38

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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.