Home / 26,905.56-40,362.12-7,184.76

Finding the Fourth Proportional to 26,905.56, 40,362.12 and 7,184.76

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Solution

The fourth proportional to 26,905.56, 40,362.12 and 7,184.76 is: 10,778.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,905.56 : 40,362.12 = 7,184.76 : x
  2. Step 2: Convert to fraction form
    26,905.56/40,362.12 = 7,184.76/x
  3. Step 3: Cross multiply
    26,905.56x = 40,362.12 × 7,184.76
  4. Step 4: Simplify right side
    26,905.56x = 289,992,145.29
  5. Step 5: Solve for x
    x = 289,992,145.29/26,905.56
  6. Step 6: Final answer
    x = 10,778.15

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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.