Home / 26,648.39-36,770.84-15,318.36

Finding the Fourth Proportional to 26,648.39, 36,770.84 and 15,318.36

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Solution

The fourth proportional to 26,648.39, 36,770.84 and 15,318.36 is: 21,137.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,648.39 : 36,770.84 = 15,318.36 : x
  2. Step 2: Convert to fraction form
    26,648.39/36,770.84 = 15,318.36/x
  3. Step 3: Cross multiply
    26,648.39x = 36,770.84 × 15,318.36
  4. Step 4: Simplify right side
    26,648.39x = 563,268,888.03
  5. Step 5: Solve for x
    x = 563,268,888.03/26,648.39
  6. Step 6: Final answer
    x = 21,137.07

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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.