Home / 13,380.10-20,070.15-4,614.33

Finding the Fourth Proportional to 13,380.10, 20,070.15 and 4,614.33

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Solution

The fourth proportional to 13,380.10, 20,070.15 and 4,614.33 is: 6,921.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,380.10 : 20,070.15 = 4,614.33 : x
  2. Step 2: Convert to fraction form
    13,380.10/20,070.15 = 4,614.33/x
  3. Step 3: Cross multiply
    13,380.10x = 20,070.15 × 4,614.33
  4. Step 4: Simplify right side
    13,380.10x = 92,610,353.21
  5. Step 5: Solve for x
    x = 92,610,353.21/13,380.10
  6. Step 6: Final answer
    x = 6,921.50

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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.