Home / 15,089.05-20,749.04-13,096.14

Finding the Fourth Proportional to 15,089.05, 20,749.04 and 13,096.14

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Solution

The fourth proportional to 15,089.05, 20,749.04 and 13,096.14 is: 18,008.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,089.05 : 20,749.04 = 13,096.14 : x
  2. Step 2: Convert to fraction form
    15,089.05/20,749.04 = 13,096.14/x
  3. Step 3: Cross multiply
    15,089.05x = 20,749.04 × 13,096.14
  4. Step 4: Simplify right side
    15,089.05x = 271,732,163.48
  5. Step 5: Solve for x
    x = 271,732,163.48/15,089.05
  6. Step 6: Final answer
    x = 18,008.57

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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.