Home / 13,766.04-20,598.03-8,222.40

Finding the Fourth Proportional to 13,766.04, 20,598.03 and 8,222.40

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Solution

The fourth proportional to 13,766.04, 20,598.03 and 8,222.40 is: 12,303.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,766.04 : 20,598.03 = 8,222.40 : x
  2. Step 2: Convert to fraction form
    13,766.04/20,598.03 = 8,222.40/x
  3. Step 3: Cross multiply
    13,766.04x = 20,598.03 × 8,222.40
  4. Step 4: Simplify right side
    13,766.04x = 169,365,241.87
  5. Step 5: Solve for x
    x = 169,365,241.87/13,766.04
  6. Step 6: Final answer
    x = 12,303.12

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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.