Home / 22,721.05-31,344.05-14,652.57

Finding the Fourth Proportional to 22,721.05, 31,344.05 and 14,652.57

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Solution

The fourth proportional to 22,721.05, 31,344.05 and 14,652.57 is: 20,213.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,721.05 : 31,344.05 = 14,652.57 : x
  2. Step 2: Convert to fraction form
    22,721.05/31,344.05 = 14,652.57/x
  3. Step 3: Cross multiply
    22,721.05x = 31,344.05 × 14,652.57
  4. Step 4: Simplify right side
    22,721.05x = 459,270,923.34
  5. Step 5: Solve for x
    x = 459,270,923.34/22,721.05
  6. Step 6: Final answer
    x = 20,213.46

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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.