Home / 26,343.44-39,531.76-19,214.40

Finding the Fourth Proportional to 26,343.44, 39,531.76 and 19,214.40

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Solution

The fourth proportional to 26,343.44, 39,531.76 and 19,214.40 is: 28,833.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,343.44 : 39,531.76 = 19,214.40 : x
  2. Step 2: Convert to fraction form
    26,343.44/39,531.76 = 19,214.40/x
  3. Step 3: Cross multiply
    26,343.44x = 39,531.76 × 19,214.40
  4. Step 4: Simplify right side
    26,343.44x = 759,579,049.34
  5. Step 5: Solve for x
    x = 759,579,049.34/26,343.44
  6. Step 6: Final answer
    x = 28,833.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.