Home / 17,051.88-25,478.97-13,345.32

Finding the Fourth Proportional to 17,051.88, 25,478.97 and 13,345.32

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Solution

The fourth proportional to 17,051.88, 25,478.97 and 13,345.32 is: 19,940.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,051.88 : 25,478.97 = 13,345.32 : x
  2. Step 2: Convert to fraction form
    17,051.88/25,478.97 = 13,345.32/x
  3. Step 3: Cross multiply
    17,051.88x = 25,478.97 × 13,345.32
  4. Step 4: Simplify right side
    17,051.88x = 340,025,007.92
  5. Step 5: Solve for x
    x = 340,025,007.92/17,051.88
  6. Step 6: Final answer
    x = 19,940.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.