Home / 22,252.48-30,708.44-12,821.04

Finding the Fourth Proportional to 22,252.48, 30,708.44 and 12,821.04

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Solution

The fourth proportional to 22,252.48, 30,708.44 and 12,821.04 is: 17,693.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,252.48 : 30,708.44 = 12,821.04 : x
  2. Step 2: Convert to fraction form
    22,252.48/30,708.44 = 12,821.04/x
  3. Step 3: Cross multiply
    22,252.48x = 30,708.44 × 12,821.04
  4. Step 4: Simplify right side
    22,252.48x = 393,714,137.58
  5. Step 5: Solve for x
    x = 393,714,137.58/22,252.48
  6. Step 6: Final answer
    x = 17,693.05

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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.