Home / 22,716.03-31,351.49-13,642.01

Finding the Fourth Proportional to 22,716.03, 31,351.49 and 13,642.01

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Solution

The fourth proportional to 22,716.03, 31,351.49 and 13,642.01 is: 18,828.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,716.03 : 31,351.49 = 13,642.01 : x
  2. Step 2: Convert to fraction form
    22,716.03/31,351.49 = 13,642.01/x
  3. Step 3: Cross multiply
    22,716.03x = 31,351.49 × 13,642.01
  4. Step 4: Simplify right side
    22,716.03x = 427,697,340.09
  5. Step 5: Solve for x
    x = 427,697,340.09/22,716.03
  6. Step 6: Final answer
    x = 18,828.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.