Home / 19,621.06-27,076.49-11,123.96

Finding the Fourth Proportional to 19,621.06, 27,076.49 and 11,123.96

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Solution

The fourth proportional to 19,621.06, 27,076.49 and 11,123.96 is: 15,350.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,621.06 : 27,076.49 = 11,123.96 : x
  2. Step 2: Convert to fraction form
    19,621.06/27,076.49 = 11,123.96/x
  3. Step 3: Cross multiply
    19,621.06x = 27,076.49 × 11,123.96
  4. Step 4: Simplify right side
    19,621.06x = 301,197,803.77
  5. Step 5: Solve for x
    x = 301,197,803.77/19,621.06
  6. Step 6: Final answer
    x = 15,350.74

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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.