Home / 13,714.06-18,934.56-12,772.28

Finding the Fourth Proportional to 13,714.06, 18,934.56 and 12,772.28

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Solution

The fourth proportional to 13,714.06, 18,934.56 and 12,772.28 is: 17,634.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,714.06 : 18,934.56 = 12,772.28 : x
  2. Step 2: Convert to fraction form
    13,714.06/18,934.56 = 12,772.28/x
  3. Step 3: Cross multiply
    13,714.06x = 18,934.56 × 12,772.28
  4. Step 4: Simplify right side
    13,714.06x = 241,837,502.00
  5. Step 5: Solve for x
    x = 241,837,502.00/13,714.06
  6. Step 6: Final answer
    x = 17,634.27

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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.