Home / 13,567.20-20,353.71-4,207.01

Finding the Fourth Proportional to 13,567.20, 20,353.71 and 4,207.01

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Solution

The fourth proportional to 13,567.20, 20,353.71 and 4,207.01 is: 6,311.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567.20 : 20,353.71 = 4,207.01 : x
  2. Step 2: Convert to fraction form
    13,567.20/20,353.71 = 4,207.01/x
  3. Step 3: Cross multiply
    13,567.20x = 20,353.71 × 4,207.01
  4. Step 4: Simplify right side
    13,567.20x = 85,628,311.75
  5. Step 5: Solve for x
    x = 85,628,311.75/13,567.20
  6. Step 6: Final answer
    x = 6,311.42

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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.