Home / 26,790.75-40,186.13-8,322.75

Finding the Fourth Proportional to 26,790.75, 40,186.13 and 8,322.75

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Solution

The fourth proportional to 26,790.75, 40,186.13 and 8,322.75 is: 12,484.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,790.75 : 40,186.13 = 8,322.75 : x
  2. Step 2: Convert to fraction form
    26,790.75/40,186.13 = 8,322.75/x
  3. Step 3: Cross multiply
    26,790.75x = 40,186.13 × 8,322.75
  4. Step 4: Simplify right side
    26,790.75x = 334,459,071.84
  5. Step 5: Solve for x
    x = 334,459,071.84/26,790.75
  6. Step 6: Final answer
    x = 12,484.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.