Home / 17,168.36-23,639.67-15,031.94

Finding the Fourth Proportional to 17,168.36, 23,639.67 and 15,031.94

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Solution

The fourth proportional to 17,168.36, 23,639.67 and 15,031.94 is: 20,697.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,168.36 : 23,639.67 = 15,031.94 : x
  2. Step 2: Convert to fraction form
    17,168.36/23,639.67 = 15,031.94/x
  3. Step 3: Cross multiply
    17,168.36x = 23,639.67 × 15,031.94
  4. Step 4: Simplify right side
    17,168.36x = 355,350,101.06
  5. Step 5: Solve for x
    x = 355,350,101.06/17,168.36
  6. Step 6: Final answer
    x = 20,697.96

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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.