Home / 13,236.84-18,266.85-7,268.66

Finding the Fourth Proportional to 13,236.84, 18,266.85 and 7,268.66

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Solution

The fourth proportional to 13,236.84, 18,266.85 and 7,268.66 is: 10,030.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236.84 : 18,266.85 = 7,268.66 : x
  2. Step 2: Convert to fraction form
    13,236.84/18,266.85 = 7,268.66/x
  3. Step 3: Cross multiply
    13,236.84x = 18,266.85 × 7,268.66
  4. Step 4: Simplify right side
    13,236.84x = 132,775,521.92
  5. Step 5: Solve for x
    x = 132,775,521.92/13,236.84
  6. Step 6: Final answer
    x = 10,030.76

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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.