Home / 12,194.48-16,822.80-10,697.90

Finding the Fourth Proportional to 12,194.48, 16,822.80 and 10,697.90

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Solution

The fourth proportional to 12,194.48, 16,822.80 and 10,697.90 is: 14,758.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,194.48 : 16,822.80 = 10,697.90 : x
  2. Step 2: Convert to fraction form
    12,194.48/16,822.80 = 10,697.90/x
  3. Step 3: Cross multiply
    12,194.48x = 16,822.80 × 10,697.90
  4. Step 4: Simplify right side
    12,194.48x = 179,968,548.01
  5. Step 5: Solve for x
    x = 179,968,548.01/12,194.48
  6. Step 6: Final answer
    x = 14,758.19

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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.