Home / 15,736.58-21,714.57-9,363.36

Finding the Fourth Proportional to 15,736.58, 21,714.57 and 9,363.36

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Solution

The fourth proportional to 15,736.58, 21,714.57 and 9,363.36 is: 12,920.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,736.58 : 21,714.57 = 9,363.36 : x
  2. Step 2: Convert to fraction form
    15,736.58/21,714.57 = 9,363.36/x
  3. Step 3: Cross multiply
    15,736.58x = 21,714.57 × 9,363.36
  4. Step 4: Simplify right side
    15,736.58x = 203,321,336.16
  5. Step 5: Solve for x
    x = 203,321,336.16/15,736.58
  6. Step 6: Final answer
    x = 12,920.30

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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.