Home / 19,741.59-27,240.71-11,358.09

Finding the Fourth Proportional to 19,741.59, 27,240.71 and 11,358.09

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Solution

The fourth proportional to 19,741.59, 27,240.71 and 11,358.09 is: 15,672.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,741.59 : 27,240.71 = 11,358.09 : x
  2. Step 2: Convert to fraction form
    19,741.59/27,240.71 = 11,358.09/x
  3. Step 3: Cross multiply
    19,741.59x = 27,240.71 × 11,358.09
  4. Step 4: Simplify right side
    19,741.59x = 309,402,379.05
  5. Step 5: Solve for x
    x = 309,402,379.05/19,741.59
  6. Step 6: Final answer
    x = 15,672.62

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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.