Home / 26,516.23-39,781.77-8,987.38

Finding the Fourth Proportional to 26,516.23, 39,781.77 and 8,987.38

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Solution

The fourth proportional to 26,516.23, 39,781.77 and 8,987.38 is: 13,483.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,516.23 : 39,781.77 = 8,987.38 : x
  2. Step 2: Convert to fraction form
    26,516.23/39,781.77 = 8,987.38/x
  3. Step 3: Cross multiply
    26,516.23x = 39,781.77 × 8,987.38
  4. Step 4: Simplify right side
    26,516.23x = 357,533,884.06
  5. Step 5: Solve for x
    x = 357,533,884.06/26,516.23
  6. Step 6: Final answer
    x = 13,483.59

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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.