Home / 26,648.26-36,772.60-15,317.79

Finding the Fourth Proportional to 26,648.26, 36,772.60 and 15,317.79

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Solution

The fourth proportional to 26,648.26, 36,772.60 and 15,317.79 is: 21,137.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,648.26 : 36,772.60 = 15,317.79 : x
  2. Step 2: Convert to fraction form
    26,648.26/36,772.60 = 15,317.79/x
  3. Step 3: Cross multiply
    26,648.26x = 36,772.60 × 15,317.79
  4. Step 4: Simplify right side
    26,648.26x = 563,274,964.55
  5. Step 5: Solve for x
    x = 563,274,964.55/26,648.26
  6. Step 6: Final answer
    x = 21,137.40

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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.