Home / 26,981.36-40,477.48-11,398.96

Finding the Fourth Proportional to 26,981.36, 40,477.48 and 11,398.96

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Solution

The fourth proportional to 26,981.36, 40,477.48 and 11,398.96 is: 17,100.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,981.36 : 40,477.48 = 11,398.96 : x
  2. Step 2: Convert to fraction form
    26,981.36/40,477.48 = 11,398.96/x
  3. Step 3: Cross multiply
    26,981.36x = 40,477.48 × 11,398.96
  4. Step 4: Simplify right side
    26,981.36x = 461,401,175.42
  5. Step 5: Solve for x
    x = 461,401,175.42/26,981.36
  6. Step 6: Final answer
    x = 17,100.74

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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.