Home / 19,798.75-27,331.24-11,733.72

Finding the Fourth Proportional to 19,798.75, 27,331.24 and 11,733.72

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Solution

The fourth proportional to 19,798.75, 27,331.24 and 11,733.72 is: 16,197.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,798.75 : 27,331.24 = 11,733.72 : x
  2. Step 2: Convert to fraction form
    19,798.75/27,331.24 = 11,733.72/x
  3. Step 3: Cross multiply
    19,798.75x = 27,331.24 × 11,733.72
  4. Step 4: Simplify right side
    19,798.75x = 320,696,980.76
  5. Step 5: Solve for x
    x = 320,696,980.76/19,798.75
  6. Step 6: Final answer
    x = 16,197.84

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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.