Home / 19,795.48-27,307.84-11,835.60

Finding the Fourth Proportional to 19,795.48, 27,307.84 and 11,835.60

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Solution

The fourth proportional to 19,795.48, 27,307.84 and 11,835.60 is: 16,327.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,795.48 : 27,307.84 = 11,835.60 : x
  2. Step 2: Convert to fraction form
    19,795.48/27,307.84 = 11,835.60/x
  3. Step 3: Cross multiply
    19,795.48x = 27,307.84 × 11,835.60
  4. Step 4: Simplify right side
    19,795.48x = 323,204,671.10
  5. Step 5: Solve for x
    x = 323,204,671.10/19,795.48
  6. Step 6: Final answer
    x = 16,327.20

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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.