Home / 12,084.60-18,167.40-10,480.80

Finding the Fourth Proportional to 12,084.60, 18,167.40 and 10,480.80

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Solution

The fourth proportional to 12,084.60, 18,167.40 and 10,480.80 is: 15,756.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,084.60 : 18,167.40 = 10,480.80 : x
  2. Step 2: Convert to fraction form
    12,084.60/18,167.40 = 10,480.80/x
  3. Step 3: Cross multiply
    12,084.60x = 18,167.40 × 10,480.80
  4. Step 4: Simplify right side
    12,084.60x = 190,408,885.92
  5. Step 5: Solve for x
    x = 190,408,885.92/12,084.60
  6. Step 6: Final answer
    x = 15,756.33

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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.