Home / 12,401.64-18,610.56-11,400.48

Finding the Fourth Proportional to 12,401.64, 18,610.56 and 11,400.48

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Solution

The fourth proportional to 12,401.64, 18,610.56 and 11,400.48 is: 17,108.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,401.64 : 18,610.56 = 11,400.48 : x
  2. Step 2: Convert to fraction form
    12,401.64/18,610.56 = 11,400.48/x
  3. Step 3: Cross multiply
    12,401.64x = 18,610.56 × 11,400.48
  4. Step 4: Simplify right side
    12,401.64x = 212,169,317.07
  5. Step 5: Solve for x
    x = 212,169,317.07/12,401.64
  6. Step 6: Final answer
    x = 17,108.17

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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.