Home / 15,939.76-22,035.36-14,611.36

Finding the Fourth Proportional to 15,939.76, 22,035.36 and 14,611.36

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Solution

The fourth proportional to 15,939.76, 22,035.36 and 14,611.36 is: 20,198.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,939.76 : 22,035.36 = 14,611.36 : x
  2. Step 2: Convert to fraction form
    15,939.76/22,035.36 = 14,611.36/x
  3. Step 3: Cross multiply
    15,939.76x = 22,035.36 × 14,611.36
  4. Step 4: Simplify right side
    15,939.76x = 321,966,577.69
  5. Step 5: Solve for x
    x = 321,966,577.69/15,939.76
  6. Step 6: Final answer
    x = 20,198.96

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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.