Home / 26,851.77-40,290.89-12,071.43

Finding the Fourth Proportional to 26,851.77, 40,290.89 and 12,071.43

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Solution

The fourth proportional to 26,851.77, 40,290.89 and 12,071.43 is: 18,113.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,851.77 : 40,290.89 = 12,071.43 : x
  2. Step 2: Convert to fraction form
    26,851.77/40,290.89 = 12,071.43/x
  3. Step 3: Cross multiply
    26,851.77x = 40,290.89 × 12,071.43
  4. Step 4: Simplify right side
    26,851.77x = 486,368,597.92
  5. Step 5: Solve for x
    x = 486,368,597.92/26,851.77
  6. Step 6: Final answer
    x = 18,113.09

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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.