Home / 15,633.26-21,573.70-8,559.53

Finding the Fourth Proportional to 15,633.26, 21,573.70 and 8,559.53

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Solution

The fourth proportional to 15,633.26, 21,573.70 and 8,559.53 is: 11,812.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,633.26 : 21,573.70 = 8,559.53 : x
  2. Step 2: Convert to fraction form
    15,633.26/21,573.70 = 8,559.53/x
  3. Step 3: Cross multiply
    15,633.26x = 21,573.70 × 8,559.53
  4. Step 4: Simplify right side
    15,633.26x = 184,660,732.36
  5. Step 5: Solve for x
    x = 184,660,732.36/15,633.26
  6. Step 6: Final answer
    x = 11,812.04

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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.