Home / 26,774.55-40,162.23-10,142.28

Finding the Fourth Proportional to 26,774.55, 40,162.23 and 10,142.28

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Solution

The fourth proportional to 26,774.55, 40,162.23 and 10,142.28 is: 15,213.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,774.55 : 40,162.23 = 10,142.28 : x
  2. Step 2: Convert to fraction form
    26,774.55/40,162.23 = 10,142.28/x
  3. Step 3: Cross multiply
    26,774.55x = 40,162.23 × 10,142.28
  4. Step 4: Simplify right side
    26,774.55x = 407,336,582.08
  5. Step 5: Solve for x
    x = 407,336,582.08/26,774.55
  6. Step 6: Final answer
    x = 15,213.57

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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.