Home / 19,765.07-27,276.47-11,268.46

Finding the Fourth Proportional to 19,765.07, 27,276.47 and 11,268.46

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Solution

The fourth proportional to 19,765.07, 27,276.47 and 11,268.46 is: 15,550.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,765.07 : 27,276.47 = 11,268.46 : x
  2. Step 2: Convert to fraction form
    19,765.07/27,276.47 = 11,268.46/x
  3. Step 3: Cross multiply
    19,765.07x = 27,276.47 × 11,268.46
  4. Step 4: Simplify right side
    19,765.07x = 307,363,702.92
  5. Step 5: Solve for x
    x = 307,363,702.92/19,765.07
  6. Step 6: Final answer
    x = 15,550.85

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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.