Home / 19,968.43-29,955.62-6,455.08

Finding the Fourth Proportional to 19,968.43, 29,955.62 and 6,455.08

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Solution

The fourth proportional to 19,968.43, 29,955.62 and 6,455.08 is: 9,683.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,968.43 : 29,955.62 = 6,455.08 : x
  2. Step 2: Convert to fraction form
    19,968.43/29,955.62 = 6,455.08/x
  3. Step 3: Cross multiply
    19,968.43x = 29,955.62 × 6,455.08
  4. Step 4: Simplify right side
    19,968.43x = 193,365,923.55
  5. Step 5: Solve for x
    x = 193,365,923.55/19,968.43
  6. Step 6: Final answer
    x = 9,683.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.