Home / 26,498.00-36,530.69-21,138.62

Finding the Fourth Proportional to 26,498.00, 36,530.69 and 21,138.62

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Solution

The fourth proportional to 26,498.00, 36,530.69 and 21,138.62 is: 29,142.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,498.00 : 36,530.69 = 21,138.62 : x
  2. Step 2: Convert to fraction form
    26,498.00/36,530.69 = 21,138.62/x
  3. Step 3: Cross multiply
    26,498.00x = 36,530.69 × 21,138.62
  4. Step 4: Simplify right side
    26,498.00x = 772,208,453.52
  5. Step 5: Solve for x
    x = 772,208,453.52/26,498.00
  6. Step 6: Final answer
    x = 29,142.14

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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.