Home / 26,693.78-36,841.09-15,363.05

Finding the Fourth Proportional to 26,693.78, 36,841.09 and 15,363.05

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Solution

The fourth proportional to 26,693.78, 36,841.09 and 15,363.05 is: 21,203.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,693.78 : 36,841.09 = 15,363.05 : x
  2. Step 2: Convert to fraction form
    26,693.78/36,841.09 = 15,363.05/x
  3. Step 3: Cross multiply
    26,693.78x = 36,841.09 × 15,363.05
  4. Step 4: Simplify right side
    26,693.78x = 565,991,507.72
  5. Step 5: Solve for x
    x = 565,991,507.72/26,693.78
  6. Step 6: Final answer
    x = 21,203.12

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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.