Home / 26,651.36-39,938.87-19,575.81

Finding the Fourth Proportional to 26,651.36, 39,938.87 and 19,575.81

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Solution

The fourth proportional to 26,651.36, 39,938.87 and 19,575.81 is: 29,335.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,651.36 : 39,938.87 = 19,575.81 : x
  2. Step 2: Convert to fraction form
    26,651.36/39,938.87 = 19,575.81/x
  3. Step 3: Cross multiply
    26,651.36x = 39,938.87 × 19,575.81
  4. Step 4: Simplify right side
    26,651.36x = 781,835,779.67
  5. Step 5: Solve for x
    x = 781,835,779.67/26,651.36
  6. Step 6: Final answer
    x = 29,335.68

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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.