Home / 13,783.27-20,681.74-5,463.10

Finding the Fourth Proportional to 13,783.27, 20,681.74 and 5,463.10

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Solution

The fourth proportional to 13,783.27, 20,681.74 and 5,463.10 is: 8,197.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,783.27 : 20,681.74 = 5,463.10 : x
  2. Step 2: Convert to fraction form
    13,783.27/20,681.74 = 5,463.10/x
  3. Step 3: Cross multiply
    13,783.27x = 20,681.74 × 5,463.10
  4. Step 4: Simplify right side
    13,783.27x = 112,986,415.75
  5. Step 5: Solve for x
    x = 112,986,415.75/13,783.27
  6. Step 6: Final answer
    x = 8,197.36

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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.