Home / 22,622.20-31,224.36-14,561.32

Finding the Fourth Proportional to 22,622.20, 31,224.36 and 14,561.32

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Solution

The fourth proportional to 22,622.20, 31,224.36 and 14,561.32 is: 20,098.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,622.20 : 31,224.36 = 14,561.32 : x
  2. Step 2: Convert to fraction form
    22,622.20/31,224.36 = 14,561.32/x
  3. Step 3: Cross multiply
    22,622.20x = 31,224.36 × 14,561.32
  4. Step 4: Simplify right side
    22,622.20x = 454,667,897.76
  5. Step 5: Solve for x
    x = 454,667,897.76/22,622.20
  6. Step 6: Final answer
    x = 20,098.31

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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.