Home / 19,416.56-29,128.96-11,100.56

Finding the Fourth Proportional to 19,416.56, 29,128.96 and 11,100.56

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Solution

The fourth proportional to 19,416.56, 29,128.96 and 11,100.56 is: 16,653.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,416.56 : 29,128.96 = 11,100.56 : x
  2. Step 2: Convert to fraction form
    19,416.56/29,128.96 = 11,100.56/x
  3. Step 3: Cross multiply
    19,416.56x = 29,128.96 × 11,100.56
  4. Step 4: Simplify right side
    19,416.56x = 323,347,768.22
  5. Step 5: Solve for x
    x = 323,347,768.22/19,416.56
  6. Step 6: Final answer
    x = 16,653.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.