Home / 17,580.78-24,256.67-11,296.80

Finding the Fourth Proportional to 17,580.78, 24,256.67 and 11,296.80

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Solution

The fourth proportional to 17,580.78, 24,256.67 and 11,296.80 is: 15,586.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,580.78 : 24,256.67 = 11,296.80 : x
  2. Step 2: Convert to fraction form
    17,580.78/24,256.67 = 11,296.80/x
  3. Step 3: Cross multiply
    17,580.78x = 24,256.67 × 11,296.80
  4. Step 4: Simplify right side
    17,580.78x = 274,022,693.17
  5. Step 5: Solve for x
    x = 274,022,693.17/17,580.78
  6. Step 6: Final answer
    x = 15,586.49

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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.