Home / 19,796.51-27,318.90-11,303.60

Finding the Fourth Proportional to 19,796.51, 27,318.90 and 11,303.60

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Solution

The fourth proportional to 19,796.51, 27,318.90 and 11,303.60 is: 15,598.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,796.51 : 27,318.90 = 11,303.60 : x
  2. Step 2: Convert to fraction form
    19,796.51/27,318.90 = 11,303.60/x
  3. Step 3: Cross multiply
    19,796.51x = 27,318.90 × 11,303.60
  4. Step 4: Simplify right side
    19,796.51x = 308,801,781.45
  5. Step 5: Solve for x
    x = 308,801,781.45/19,796.51
  6. Step 6: Final answer
    x = 15,598.80

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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.