Home / 19,705.71-27,194.45-10,753.79

Finding the Fourth Proportional to 19,705.71, 27,194.45 and 10,753.79

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Solution

The fourth proportional to 19,705.71, 27,194.45 and 10,753.79 is: 14,840.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,705.71 : 27,194.45 = 10,753.79 : x
  2. Step 2: Convert to fraction form
    19,705.71/27,194.45 = 10,753.79/x
  3. Step 3: Cross multiply
    19,705.71x = 27,194.45 × 10,753.79
  4. Step 4: Simplify right side
    19,705.71x = 292,443,336.14
  5. Step 5: Solve for x
    x = 292,443,336.14/19,705.71
  6. Step 6: Final answer
    x = 14,840.54

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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.