Home / 19,551.22-29,322.32-11,655.97

Finding the Fourth Proportional to 19,551.22, 29,322.32 and 11,655.97

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Solution

The fourth proportional to 19,551.22, 29,322.32 and 11,655.97 is: 17,481.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,551.22 : 29,322.32 = 11,655.97 : x
  2. Step 2: Convert to fraction form
    19,551.22/29,322.32 = 11,655.97/x
  3. Step 3: Cross multiply
    19,551.22x = 29,322.32 × 11,655.97
  4. Step 4: Simplify right side
    19,551.22x = 341,779,950.66
  5. Step 5: Solve for x
    x = 341,779,950.66/19,551.22
  6. Step 6: Final answer
    x = 17,481.26

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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.