Home / 13,711.36-20,567.04-9,625.60

Finding the Fourth Proportional to 13,711.36, 20,567.04 and 9,625.60

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Solution

The fourth proportional to 13,711.36, 20,567.04 and 9,625.60 is: 14,438.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,711.36 : 20,567.04 = 9,625.60 : x
  2. Step 2: Convert to fraction form
    13,711.36/20,567.04 = 9,625.60/x
  3. Step 3: Cross multiply
    13,711.36x = 20,567.04 × 9,625.60
  4. Step 4: Simplify right side
    13,711.36x = 197,970,100.22
  5. Step 5: Solve for x
    x = 197,970,100.22/13,711.36
  6. Step 6: Final answer
    x = 14,438.40

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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.