Home / 19,682.02-27,160.82-10,729.60

Finding the Fourth Proportional to 19,682.02, 27,160.82 and 10,729.60

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Solution

The fourth proportional to 19,682.02, 27,160.82 and 10,729.60 is: 14,806.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,682.02 : 27,160.82 = 10,729.60 : x
  2. Step 2: Convert to fraction form
    19,682.02/27,160.82 = 10,729.60/x
  3. Step 3: Cross multiply
    19,682.02x = 27,160.82 × 10,729.60
  4. Step 4: Simplify right side
    19,682.02x = 291,424,734.27
  5. Step 5: Solve for x
    x = 291,424,734.27/19,682.02
  6. Step 6: Final answer
    x = 14,806.65

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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.