Home / 15,096.03-20,832.43-8,290.14

Finding the Fourth Proportional to 15,096.03, 20,832.43 and 8,290.14

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Solution

The fourth proportional to 15,096.03, 20,832.43 and 8,290.14 is: 11,440.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,096.03 : 20,832.43 = 8,290.14 : x
  2. Step 2: Convert to fraction form
    15,096.03/20,832.43 = 8,290.14/x
  3. Step 3: Cross multiply
    15,096.03x = 20,832.43 × 8,290.14
  4. Step 4: Simplify right side
    15,096.03x = 172,703,740.51
  5. Step 5: Solve for x
    x = 172,703,740.51/15,096.03
  6. Step 6: Final answer
    x = 11,440.34

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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.