Home / 19,795.73-27,307.74-12,239.64

Finding the Fourth Proportional to 19,795.73, 27,307.74 and 12,239.64

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Solution

The fourth proportional to 19,795.73, 27,307.74 and 12,239.64 is: 16,884.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,795.73 : 27,307.74 = 12,239.64 : x
  2. Step 2: Convert to fraction form
    19,795.73/27,307.74 = 12,239.64/x
  3. Step 3: Cross multiply
    19,795.73x = 27,307.74 × 12,239.64
  4. Step 4: Simplify right side
    19,795.73x = 334,236,906.81
  5. Step 5: Solve for x
    x = 334,236,906.81/19,795.73
  6. Step 6: Final answer
    x = 16,884.30

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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.