Home / 26,867.86-40,301.73-7,146.43

Finding the Fourth Proportional to 26,867.86, 40,301.73 and 7,146.43

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Solution

The fourth proportional to 26,867.86, 40,301.73 and 7,146.43 is: 10,719.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,867.86 : 40,301.73 = 7,146.43 : x
  2. Step 2: Convert to fraction form
    26,867.86/40,301.73 = 7,146.43/x
  3. Step 3: Cross multiply
    26,867.86x = 40,301.73 × 7,146.43
  4. Step 4: Simplify right side
    26,867.86x = 288,013,492.32
  5. Step 5: Solve for x
    x = 288,013,492.32/26,867.86
  6. Step 6: Final answer
    x = 10,719.63

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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.