Home / 19,820.26-27,341.84-15,096.34

Finding the Fourth Proportional to 19,820.26, 27,341.84 and 15,096.34

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Solution

The fourth proportional to 19,820.26, 27,341.84 and 15,096.34 is: 20,825.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,820.26 : 27,341.84 = 15,096.34 : x
  2. Step 2: Convert to fraction form
    19,820.26/27,341.84 = 15,096.34/x
  3. Step 3: Cross multiply
    19,820.26x = 27,341.84 × 15,096.34
  4. Step 4: Simplify right side
    19,820.26x = 412,761,712.87
  5. Step 5: Solve for x
    x = 412,761,712.87/19,820.26
  6. Step 6: Final answer
    x = 20,825.24

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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.