Home / 19,049.80-26,288.70-10,666.36

Finding the Fourth Proportional to 19,049.80, 26,288.70 and 10,666.36

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Solution

The fourth proportional to 19,049.80, 26,288.70 and 10,666.36 is: 14,719.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,049.80 : 26,288.70 = 10,666.36 : x
  2. Step 2: Convert to fraction form
    19,049.80/26,288.70 = 10,666.36/x
  3. Step 3: Cross multiply
    19,049.80x = 26,288.70 × 10,666.36
  4. Step 4: Simplify right side
    19,049.80x = 280,404,738.13
  5. Step 5: Solve for x
    x = 280,404,738.13/19,049.80
  6. Step 6: Final answer
    x = 14,719.56

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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.