Home / 19,883.32-27,438.48-10,808.44

Finding the Fourth Proportional to 19,883.32, 27,438.48 and 10,808.44

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Solution

The fourth proportional to 19,883.32, 27,438.48 and 10,808.44 is: 14,915.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,883.32 : 27,438.48 = 10,808.44 : x
  2. Step 2: Convert to fraction form
    19,883.32/27,438.48 = 10,808.44/x
  3. Step 3: Cross multiply
    19,883.32x = 27,438.48 × 10,808.44
  4. Step 4: Simplify right side
    19,883.32x = 296,567,164.77
  5. Step 5: Solve for x
    x = 296,567,164.77/19,883.32
  6. Step 6: Final answer
    x = 14,915.37

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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.