Home / 19,313.74-26,659.38-11,764.95

Finding the Fourth Proportional to 19,313.74, 26,659.38 and 11,764.95

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Solution

The fourth proportional to 19,313.74, 26,659.38 and 11,764.95 is: 16,239.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,313.74 : 26,659.38 = 11,764.95 : x
  2. Step 2: Convert to fraction form
    19,313.74/26,659.38 = 11,764.95/x
  3. Step 3: Cross multiply
    19,313.74x = 26,659.38 × 11,764.95
  4. Step 4: Simplify right side
    19,313.74x = 313,646,150.70
  5. Step 5: Solve for x
    x = 313,646,150.70/19,313.74
  6. Step 6: Final answer
    x = 16,239.53

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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.