Home / 19,935.48-29,904.48-11,163.72

Finding the Fourth Proportional to 19,935.48, 29,904.48 and 11,163.72

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Solution

The fourth proportional to 19,935.48, 29,904.48 and 11,163.72 is: 16,746.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,935.48 : 29,904.48 = 11,163.72 : x
  2. Step 2: Convert to fraction form
    19,935.48/29,904.48 = 11,163.72/x
  3. Step 3: Cross multiply
    19,935.48x = 29,904.48 × 11,163.72
  4. Step 4: Simplify right side
    19,935.48x = 333,845,241.47
  5. Step 5: Solve for x
    x = 333,845,241.47/19,935.48
  6. Step 6: Final answer
    x = 16,746.29

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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.