Home / 21,596.40-29,814.79-14,917.96

Finding the Fourth Proportional to 21,596.40, 29,814.79 and 14,917.96

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Solution

The fourth proportional to 21,596.40, 29,814.79 and 14,917.96 is: 20,594.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,596.40 : 29,814.79 = 14,917.96 : x
  2. Step 2: Convert to fraction form
    21,596.40/29,814.79 = 14,917.96/x
  3. Step 3: Cross multiply
    21,596.40x = 29,814.79 × 14,917.96
  4. Step 4: Simplify right side
    21,596.40x = 444,775,841.14
  5. Step 5: Solve for x
    x = 444,775,841.14/21,596.40
  6. Step 6: Final answer
    x = 20,594.91

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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.