Home / 17,160.53-25,740.72-11,315.70

Finding the Fourth Proportional to 17,160.53, 25,740.72 and 11,315.70

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Solution

The fourth proportional to 17,160.53, 25,740.72 and 11,315.70 is: 16,973.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,160.53 : 25,740.72 = 11,315.70 : x
  2. Step 2: Convert to fraction form
    17,160.53/25,740.72 = 11,315.70/x
  3. Step 3: Cross multiply
    17,160.53x = 25,740.72 × 11,315.70
  4. Step 4: Simplify right side
    17,160.53x = 291,274,265.30
  5. Step 5: Solve for x
    x = 291,274,265.30/17,160.53
  6. Step 6: Final answer
    x = 16,973.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.