Home / 13,877.63-20,816.43-4,016.90

Finding the Fourth Proportional to 13,877.63, 20,816.43 and 4,016.90

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Solution

The fourth proportional to 13,877.63, 20,816.43 and 4,016.90 is: 6,025.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,877.63 : 20,816.43 = 4,016.90 : x
  2. Step 2: Convert to fraction form
    13,877.63/20,816.43 = 4,016.90/x
  3. Step 3: Cross multiply
    13,877.63x = 20,816.43 × 4,016.90
  4. Step 4: Simplify right side
    13,877.63x = 83,617,437.55
  5. Step 5: Solve for x
    x = 83,617,437.55/13,877.63
  6. Step 6: Final answer
    x = 6,025.34

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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.