Home / 26,897.13-40,345.63-8,177.09

Finding the Fourth Proportional to 26,897.13, 40,345.63 and 8,177.09

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Solution

The fourth proportional to 26,897.13, 40,345.63 and 8,177.09 is: 12,265.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,897.13 : 40,345.63 = 8,177.09 : x
  2. Step 2: Convert to fraction form
    26,897.13/40,345.63 = 8,177.09/x
  3. Step 3: Cross multiply
    26,897.13x = 40,345.63 × 8,177.09
  4. Step 4: Simplify right side
    26,897.13x = 329,909,625.45
  5. Step 5: Solve for x
    x = 329,909,625.45/26,897.13
  6. Step 6: Final answer
    x = 12,265.61

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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.