Home / 17,089.99-23,581.36-11,415.64

Finding the Fourth Proportional to 17,089.99, 23,581.36 and 11,415.64

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Solution

The fourth proportional to 17,089.99, 23,581.36 and 11,415.64 is: 15,751.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,089.99 : 23,581.36 = 11,415.64 : x
  2. Step 2: Convert to fraction form
    17,089.99/23,581.36 = 11,415.64/x
  3. Step 3: Cross multiply
    17,089.99x = 23,581.36 × 11,415.64
  4. Step 4: Simplify right side
    17,089.99x = 269,196,141.49
  5. Step 5: Solve for x
    x = 269,196,141.49/17,089.99
  6. Step 6: Final answer
    x = 15,751.69

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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.