Home / 15,656.23-21,606.96-8,584.03

Finding the Fourth Proportional to 15,656.23, 21,606.96 and 8,584.03

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Solution

The fourth proportional to 15,656.23, 21,606.96 and 8,584.03 is: 11,846.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,656.23 : 21,606.96 = 8,584.03 : x
  2. Step 2: Convert to fraction form
    15,656.23/21,606.96 = 8,584.03/x
  3. Step 3: Cross multiply
    15,656.23x = 21,606.96 × 8,584.03
  4. Step 4: Simplify right side
    15,656.23x = 185,474,792.85
  5. Step 5: Solve for x
    x = 185,474,792.85/15,656.23
  6. Step 6: Final answer
    x = 11,846.71

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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.