Home / 17,153.42-25,703.57-11,898.65

Finding the Fourth Proportional to 17,153.42, 25,703.57 and 11,898.65

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Solution

The fourth proportional to 17,153.42, 25,703.57 and 11,898.65 is: 17,829.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,153.42 : 25,703.57 = 11,898.65 : x
  2. Step 2: Convert to fraction form
    17,153.42/25,703.57 = 11,898.65/x
  3. Step 3: Cross multiply
    17,153.42x = 25,703.57 × 11,898.65
  4. Step 4: Simplify right side
    17,153.42x = 305,837,723.69
  5. Step 5: Solve for x
    x = 305,837,723.69/17,153.42
  6. Step 6: Final answer
    x = 17,829.55

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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.