Home / 13,866.90-20,788.65-6,467.46

Finding the Fourth Proportional to 13,866.90, 20,788.65 and 6,467.46

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Solution

The fourth proportional to 13,866.90, 20,788.65 and 6,467.46 is: 9,695.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,866.90 : 20,788.65 = 6,467.46 : x
  2. Step 2: Convert to fraction form
    13,866.90/20,788.65 = 6,467.46/x
  3. Step 3: Cross multiply
    13,866.90x = 20,788.65 × 6,467.46
  4. Step 4: Simplify right side
    13,866.90x = 134,449,762.33
  5. Step 5: Solve for x
    x = 134,449,762.33/13,866.90
  6. Step 6: Final answer
    x = 9,695.73

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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.