Home / 19,274.11-26,601.28-11,722.81

Finding the Fourth Proportional to 19,274.11, 26,601.28 and 11,722.81

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Solution

The fourth proportional to 19,274.11, 26,601.28 and 11,722.81 is: 16,179.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,274.11 : 26,601.28 = 11,722.81 : x
  2. Step 2: Convert to fraction form
    19,274.11/26,601.28 = 11,722.81/x
  3. Step 3: Cross multiply
    19,274.11x = 26,601.28 × 11,722.81
  4. Step 4: Simplify right side
    19,274.11x = 311,841,751.20
  5. Step 5: Solve for x
    x = 311,841,751.20/19,274.11
  6. Step 6: Final answer
    x = 16,179.31

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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.