Home / 22,664.61-31,279.28-13,714.32

Finding the Fourth Proportional to 22,664.61, 31,279.28 and 13,714.32

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Solution

The fourth proportional to 22,664.61, 31,279.28 and 13,714.32 is: 18,927.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,664.61 : 31,279.28 = 13,714.32 : x
  2. Step 2: Convert to fraction form
    22,664.61/31,279.28 = 13,714.32/x
  3. Step 3: Cross multiply
    22,664.61x = 31,279.28 × 13,714.32
  4. Step 4: Simplify right side
    22,664.61x = 428,973,986.72
  5. Step 5: Solve for x
    x = 428,973,986.72/22,664.61
  6. Step 6: Final answer
    x = 18,927.04

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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.