Home / 22,274.21-30,717.20-13,320.26

Finding the Fourth Proportional to 22,274.21, 30,717.20 and 13,320.26

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Solution

The fourth proportional to 22,274.21, 30,717.20 and 13,320.26 is: 18,369.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,274.21 : 30,717.20 = 13,320.26 : x
  2. Step 2: Convert to fraction form
    22,274.21/30,717.20 = 13,320.26/x
  3. Step 3: Cross multiply
    22,274.21x = 30,717.20 × 13,320.26
  4. Step 4: Simplify right side
    22,274.21x = 409,160,870.28
  5. Step 5: Solve for x
    x = 409,160,870.28/22,274.21
  6. Step 6: Final answer
    x = 18,369.27

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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.