Home / 26,499.12-36,530.26-18,516.57

Finding the Fourth Proportional to 26,499.12, 36,530.26 and 18,516.57

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Solution

The fourth proportional to 26,499.12, 36,530.26 and 18,516.57 is: 25,525.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,499.12 : 36,530.26 = 18,516.57 : x
  2. Step 2: Convert to fraction form
    26,499.12/36,530.26 = 18,516.57/x
  3. Step 3: Cross multiply
    26,499.12x = 36,530.26 × 18,516.57
  4. Step 4: Simplify right side
    26,499.12x = 676,415,116.41
  5. Step 5: Solve for x
    x = 676,415,116.41/26,499.12
  6. Step 6: Final answer
    x = 25,525.95

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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.