Home / 17,858.77-24,640.21-10,685.79

Finding the Fourth Proportional to 17,858.77, 24,640.21 and 10,685.79

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Solution

The fourth proportional to 17,858.77, 24,640.21 and 10,685.79 is: 14,743.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,858.77 : 24,640.21 = 10,685.79 : x
  2. Step 2: Convert to fraction form
    17,858.77/24,640.21 = 10,685.79/x
  3. Step 3: Cross multiply
    17,858.77x = 24,640.21 × 10,685.79
  4. Step 4: Simplify right side
    17,858.77x = 263,300,109.62
  5. Step 5: Solve for x
    x = 263,300,109.62/17,858.77
  6. Step 6: Final answer
    x = 14,743.46

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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.