Home / 15,608.53-21,537.76-9,561.48

Finding the Fourth Proportional to 15,608.53, 21,537.76 and 9,561.48

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Solution

The fourth proportional to 15,608.53, 21,537.76 and 9,561.48 is: 13,193.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,608.53 : 21,537.76 = 9,561.48 : x
  2. Step 2: Convert to fraction form
    15,608.53/21,537.76 = 9,561.48/x
  3. Step 3: Cross multiply
    15,608.53x = 21,537.76 × 9,561.48
  4. Step 4: Simplify right side
    15,608.53x = 205,932,861.48
  5. Step 5: Solve for x
    x = 205,932,861.48/15,608.53
  6. Step 6: Final answer
    x = 13,193.61

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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.