Home / 22,165.94-30,561.33-14,195.06

Finding the Fourth Proportional to 22,165.94, 30,561.33 and 14,195.06

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Solution

The fourth proportional to 22,165.94, 30,561.33 and 14,195.06 is: 19,571.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,165.94 : 30,561.33 = 14,195.06 : x
  2. Step 2: Convert to fraction form
    22,165.94/30,561.33 = 14,195.06/x
  3. Step 3: Cross multiply
    22,165.94x = 30,561.33 × 14,195.06
  4. Step 4: Simplify right side
    22,165.94x = 433,819,913.03
  5. Step 5: Solve for x
    x = 433,819,913.03/22,165.94
  6. Step 6: Final answer
    x = 19,571.46

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1.5x scale

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.