Home / 14,455.09-19,947.77-8,167.33

Finding the Fourth Proportional to 14,455.09, 19,947.77 and 8,167.33

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Solution

The fourth proportional to 14,455.09, 19,947.77 and 8,167.33 is: 11,270.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,455.09 : 19,947.77 = 8,167.33 : x
  2. Step 2: Convert to fraction form
    14,455.09/19,947.77 = 8,167.33/x
  3. Step 3: Cross multiply
    14,455.09x = 19,947.77 × 8,167.33
  4. Step 4: Simplify right side
    14,455.09x = 162,919,979.52
  5. Step 5: Solve for x
    x = 162,919,979.52/14,455.09
  6. Step 6: Final answer
    x = 11,270.77

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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.