Home / 19,963.23-29,947.56-6,812.07

Finding the Fourth Proportional to 19,963.23, 29,947.56 and 6,812.07

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Solution

The fourth proportional to 19,963.23, 29,947.56 and 6,812.07 is: 10,219.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,963.23 : 29,947.56 = 6,812.07 : x
  2. Step 2: Convert to fraction form
    19,963.23/29,947.56 = 6,812.07/x
  3. Step 3: Cross multiply
    19,963.23x = 29,947.56 × 6,812.07
  4. Step 4: Simplify right side
    19,963.23x = 204,004,875.05
  5. Step 5: Solve for x
    x = 204,004,875.05/19,963.23
  6. Step 6: Final answer
    x = 10,219.03

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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.