Home / 22,714.23-31,343.58-12,643.23

Finding the Fourth Proportional to 22,714.23, 31,343.58 and 12,643.23

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Solution

The fourth proportional to 22,714.23, 31,343.58 and 12,643.23 is: 17,446.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,714.23 : 31,343.58 = 12,643.23 : x
  2. Step 2: Convert to fraction form
    22,714.23/31,343.58 = 12,643.23/x
  3. Step 3: Cross multiply
    22,714.23x = 31,343.58 × 12,643.23
  4. Step 4: Simplify right side
    22,714.23x = 396,284,090.96
  5. Step 5: Solve for x
    x = 396,284,090.96/22,714.23
  6. Step 6: Final answer
    x = 17,446.51

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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.