Home / 19,405.02-26,777.88-11,447.58

Finding the Fourth Proportional to 19,405.02, 26,777.88 and 11,447.58

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Solution

The fourth proportional to 19,405.02, 26,777.88 and 11,447.58 is: 15,797.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,405.02 : 26,777.88 = 11,447.58 : x
  2. Step 2: Convert to fraction form
    19,405.02/26,777.88 = 11,447.58/x
  3. Step 3: Cross multiply
    19,405.02x = 26,777.88 × 11,447.58
  4. Step 4: Simplify right side
    19,405.02x = 306,541,923.53
  5. Step 5: Solve for x
    x = 306,541,923.53/19,405.02
  6. Step 6: Final answer
    x = 15,797.04

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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.