Home / 21,624.83-29,797.96-15,950.58

Finding the Fourth Proportional to 21,624.83, 29,797.96 and 15,950.58

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Solution

The fourth proportional to 21,624.83, 29,797.96 and 15,950.58 is: 21,979.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,624.83 : 29,797.96 = 15,950.58 : x
  2. Step 2: Convert to fraction form
    21,624.83/29,797.96 = 15,950.58/x
  3. Step 3: Cross multiply
    21,624.83x = 29,797.96 × 15,950.58
  4. Step 4: Simplify right side
    21,624.83x = 475,294,665.06
  5. Step 5: Solve for x
    x = 475,294,665.06/21,624.83
  6. Step 6: Final answer
    x = 21,979.12

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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.