Home / 15,682.48-21,637.44-10,096.72

Finding the Fourth Proportional to 15,682.48, 21,637.44 and 10,096.72

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Solution

The fourth proportional to 15,682.48, 21,637.44 and 10,096.72 is: 13,930.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,682.48 : 21,637.44 = 10,096.72 : x
  2. Step 2: Convert to fraction form
    15,682.48/21,637.44 = 10,096.72/x
  3. Step 3: Cross multiply
    15,682.48x = 21,637.44 × 10,096.72
  4. Step 4: Simplify right side
    15,682.48x = 218,467,173.20
  5. Step 5: Solve for x
    x = 218,467,173.20/15,682.48
  6. Step 6: Final answer
    x = 13,930.65

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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.