Home / 26,766.15-36,936.30-15,436.12

Finding the Fourth Proportional to 26,766.15, 36,936.30 and 15,436.12

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Solution

The fourth proportional to 26,766.15, 36,936.30 and 15,436.12 is: 21,301.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,766.15 : 36,936.30 = 15,436.12 : x
  2. Step 2: Convert to fraction form
    26,766.15/36,936.30 = 15,436.12/x
  3. Step 3: Cross multiply
    26,766.15x = 36,936.30 × 15,436.12
  4. Step 4: Simplify right side
    26,766.15x = 570,153,066.82
  5. Step 5: Solve for x
    x = 570,153,066.82/26,766.15
  6. Step 6: Final answer
    x = 21,301.28

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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.