Home / 13,784.43-20,681.49-5,020.23

Finding the Fourth Proportional to 13,784.43, 20,681.49 and 5,020.23

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Solution

The fourth proportional to 13,784.43, 20,681.49 and 5,020.23 is: 7,532.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,784.43 : 20,681.49 = 5,020.23 : x
  2. Step 2: Convert to fraction form
    13,784.43/20,681.49 = 5,020.23/x
  3. Step 3: Cross multiply
    13,784.43x = 20,681.49 × 5,020.23
  4. Step 4: Simplify right side
    13,784.43x = 103,825,836.54
  5. Step 5: Solve for x
    x = 103,825,836.54/13,784.43
  6. Step 6: Final answer
    x = 7,532.11

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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.