Home / 19,683.53-29,517.46-7,200.71

Finding the Fourth Proportional to 19,683.53, 29,517.46 and 7,200.71

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Solution

The fourth proportional to 19,683.53, 29,517.46 and 7,200.71 is: 10,798.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,683.53 : 29,517.46 = 7,200.71 : x
  2. Step 2: Convert to fraction form
    19,683.53/29,517.46 = 7,200.71/x
  3. Step 3: Cross multiply
    19,683.53x = 29,517.46 × 7,200.71
  4. Step 4: Simplify right side
    19,683.53x = 212,546,669.40
  5. Step 5: Solve for x
    x = 212,546,669.40/19,683.53
  6. Step 6: Final answer
    x = 10,798.20

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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.