Home / 19,790.93-29,683.32-7,308.12

Finding the Fourth Proportional to 19,790.93, 29,683.32 and 7,308.12

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Solution

The fourth proportional to 19,790.93, 29,683.32 and 7,308.12 is: 10,961.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,790.93 : 29,683.32 = 7,308.12 : x
  2. Step 2: Convert to fraction form
    19,790.93/29,683.32 = 7,308.12/x
  3. Step 3: Cross multiply
    19,790.93x = 29,683.32 × 7,308.12
  4. Step 4: Simplify right side
    19,790.93x = 216,929,212.01
  5. Step 5: Solve for x
    x = 216,929,212.01/19,790.93
  6. Step 6: Final answer
    x = 10,961.04

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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.