Home / 14,123.72-19,474.79-11,563.49

Finding the Fourth Proportional to 14,123.72, 19,474.79 and 11,563.49

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Solution

The fourth proportional to 14,123.72, 19,474.79 and 11,563.49 is: 15,944.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,123.72 : 19,474.79 = 11,563.49 : x
  2. Step 2: Convert to fraction form
    14,123.72/19,474.79 = 11,563.49/x
  3. Step 3: Cross multiply
    14,123.72x = 19,474.79 × 11,563.49
  4. Step 4: Simplify right side
    14,123.72x = 225,196,384.23
  5. Step 5: Solve for x
    x = 225,196,384.23/14,123.72
  6. Step 6: Final answer
    x = 15,944.56

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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.