Home / 19,519.59-26,939.48-11,564.85

Finding the Fourth Proportional to 19,519.59, 26,939.48 and 11,564.85

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Solution

The fourth proportional to 19,519.59, 26,939.48 and 11,564.85 is: 15,960.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,519.59 : 26,939.48 = 11,564.85 : x
  2. Step 2: Convert to fraction form
    19,519.59/26,939.48 = 11,564.85/x
  3. Step 3: Cross multiply
    19,519.59x = 26,939.48 × 11,564.85
  4. Step 4: Simplify right side
    19,519.59x = 311,550,987.45
  5. Step 5: Solve for x
    x = 311,550,987.45/19,519.59
  6. Step 6: Final answer
    x = 15,960.94

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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.