Home / 26,762.91-40,142.34-10,121.46

Finding the Fourth Proportional to 26,762.91, 40,142.34 and 10,121.46

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Solution

The fourth proportional to 26,762.91, 40,142.34 and 10,121.46 is: 15,181.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,762.91 : 40,142.34 = 10,121.46 : x
  2. Step 2: Convert to fraction form
    26,762.91/40,142.34 = 10,121.46/x
  3. Step 3: Cross multiply
    26,762.91x = 40,142.34 × 10,121.46
  4. Step 4: Simplify right side
    26,762.91x = 406,299,088.62
  5. Step 5: Solve for x
    x = 406,299,088.62/26,762.91
  6. Step 6: Final answer
    x = 15,181.42

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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.