Home / 19,272.96-26,600.64-11,319.36

Finding the Fourth Proportional to 19,272.96, 26,600.64 and 11,319.36

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Solution

The fourth proportional to 19,272.96, 26,600.64 and 11,319.36 is: 15,623.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,272.96 : 26,600.64 = 11,319.36 : x
  2. Step 2: Convert to fraction form
    19,272.96/26,600.64 = 11,319.36/x
  3. Step 3: Cross multiply
    19,272.96x = 26,600.64 × 11,319.36
  4. Step 4: Simplify right side
    19,272.96x = 301,102,220.39
  5. Step 5: Solve for x
    x = 301,102,220.39/19,272.96
  6. Step 6: Final answer
    x = 15,623.04

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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.