Home / 19,867.17-29,822.64-16,785.39

Finding the Fourth Proportional to 19,867.17, 29,822.64 and 16,785.39

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Solution

The fourth proportional to 19,867.17, 29,822.64 and 16,785.39 is: 25,196.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,867.17 : 29,822.64 = 16,785.39 : x
  2. Step 2: Convert to fraction form
    19,867.17/29,822.64 = 16,785.39/x
  3. Step 3: Cross multiply
    19,867.17x = 29,822.64 × 16,785.39
  4. Step 4: Simplify right side
    19,867.17x = 500,584,643.23
  5. Step 5: Solve for x
    x = 500,584,643.23/19,867.17
  6. Step 6: Final answer
    x = 25,196.58

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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.