Home / 17,117.36-25,633.20-10,858.40

Finding the Fourth Proportional to 17,117.36, 25,633.20 and 10,858.40

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Solution

The fourth proportional to 17,117.36, 25,633.20 and 10,858.40 is: 16,260.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,117.36 : 25,633.20 = 10,858.40 : x
  2. Step 2: Convert to fraction form
    17,117.36/25,633.20 = 10,858.40/x
  3. Step 3: Cross multiply
    17,117.36x = 25,633.20 × 10,858.40
  4. Step 4: Simplify right side
    17,117.36x = 278,335,538.88
  5. Step 5: Solve for x
    x = 278,335,538.88/17,117.36
  6. Step 6: Final answer
    x = 16,260.42

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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.