Home / 15,754.24-21,740.86-8,584.12

Finding the Fourth Proportional to 15,754.24, 21,740.86 and 8,584.12

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Solution

The fourth proportional to 15,754.24, 21,740.86 and 8,584.12 is: 11,846.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,754.24 : 21,740.86 = 8,584.12 : x
  2. Step 2: Convert to fraction form
    15,754.24/21,740.86 = 8,584.12/x
  3. Step 3: Cross multiply
    15,754.24x = 21,740.86 × 8,584.12
  4. Step 4: Simplify right side
    15,754.24x = 186,626,151.14
  5. Step 5: Solve for x
    x = 186,626,151.14/15,754.24
  6. Step 6: Final answer
    x = 11,846.09

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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.