Home / 17,130.48-23,621.88-13,346.94

Finding the Fourth Proportional to 17,130.48, 23,621.88 and 13,346.94

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Solution

The fourth proportional to 17,130.48, 23,621.88 and 13,346.94 is: 18,404.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,130.48 : 23,621.88 = 13,346.94 : x
  2. Step 2: Convert to fraction form
    17,130.48/23,621.88 = 13,346.94/x
  3. Step 3: Cross multiply
    17,130.48x = 23,621.88 × 13,346.94
  4. Step 4: Simplify right side
    17,130.48x = 315,279,815.05
  5. Step 5: Solve for x
    x = 315,279,815.05/17,130.48
  6. Step 6: Final answer
    x = 18,404.61

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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.