Home / 21,828.24-32,714.96-9,333.58

Finding the Fourth Proportional to 21,828.24, 32,714.96 and 9,333.58

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Solution

The fourth proportional to 21,828.24, 32,714.96 and 9,333.58 is: 13,988.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,828.24 : 32,714.96 = 9,333.58 : x
  2. Step 2: Convert to fraction form
    21,828.24/32,714.96 = 9,333.58/x
  3. Step 3: Cross multiply
    21,828.24x = 32,714.96 × 9,333.58
  4. Step 4: Simplify right side
    21,828.24x = 305,347,696.36
  5. Step 5: Solve for x
    x = 305,347,696.36/21,828.24
  6. Step 6: Final answer
    x = 13,988.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.