Home / 19,766.08-27,276.80-10,813.48

Finding the Fourth Proportional to 19,766.08, 27,276.80 and 10,813.48

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Solution

The fourth proportional to 19,766.08, 27,276.80 and 10,813.48 is: 14,922.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,766.08 : 27,276.80 = 10,813.48 : x
  2. Step 2: Convert to fraction form
    19,766.08/27,276.80 = 10,813.48/x
  3. Step 3: Cross multiply
    19,766.08x = 27,276.80 × 10,813.48
  4. Step 4: Simplify right side
    19,766.08x = 294,957,131.26
  5. Step 5: Solve for x
    x = 294,957,131.26/19,766.08
  6. Step 6: Final answer
    x = 14,922.39

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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.