Home / 22,917.24-31,555.20-20,068.20

Finding the Fourth Proportional to 22,917.24, 31,555.20 and 20,068.20

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Solution

The fourth proportional to 22,917.24, 31,555.20 and 20,068.20 is: 27,632.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,917.24 : 31,555.20 = 20,068.20 : x
  2. Step 2: Convert to fraction form
    22,917.24/31,555.20 = 20,068.20/x
  3. Step 3: Cross multiply
    22,917.24x = 31,555.20 × 20,068.20
  4. Step 4: Simplify right side
    22,917.24x = 633,256,064.64
  5. Step 5: Solve for x
    x = 633,256,064.64/22,917.24
  6. Step 6: Final answer
    x = 27,632.30

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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.