Home / 22,720.24-31,369.17-20,322.73

Finding the Fourth Proportional to 22,720.24, 31,369.17 and 20,322.73

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Solution

The fourth proportional to 22,720.24, 31,369.17 and 20,322.73 is: 28,059.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,720.24 : 31,369.17 = 20,322.73 : x
  2. Step 2: Convert to fraction form
    22,720.24/31,369.17 = 20,322.73/x
  3. Step 3: Cross multiply
    22,720.24x = 31,369.17 × 20,322.73
  4. Step 4: Simplify right side
    22,720.24x = 637,507,172.23
  5. Step 5: Solve for x
    x = 637,507,172.23/22,720.24
  6. Step 6: Final answer
    x = 28,059.00

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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.