Home / 16,866.14-23,253.64-13,830.08

Finding the Fourth Proportional to 16,866.14, 23,253.64 and 13,830.08

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Solution

The fourth proportional to 16,866.14, 23,253.64 and 13,830.08 is: 19,067.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,866.14 : 23,253.64 = 13,830.08 : x
  2. Step 2: Convert to fraction form
    16,866.14/23,253.64 = 13,830.08/x
  3. Step 3: Cross multiply
    16,866.14x = 23,253.64 × 13,830.08
  4. Step 4: Simplify right side
    16,866.14x = 321,599,720.35
  5. Step 5: Solve for x
    x = 321,599,720.35/16,866.14
  6. Step 6: Final answer
    x = 19,067.77

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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.