Home / 12,022.60-18,030.66-8,150.80

Finding the Fourth Proportional to 12,022.60, 18,030.66 and 8,150.80

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Solution

The fourth proportional to 12,022.60, 18,030.66 and 8,150.80 is: 12,224.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,022.60 : 18,030.66 = 8,150.80 : x
  2. Step 2: Convert to fraction form
    12,022.60/18,030.66 = 8,150.80/x
  3. Step 3: Cross multiply
    12,022.60x = 18,030.66 × 8,150.80
  4. Step 4: Simplify right side
    12,022.60x = 146,964,303.53
  5. Step 5: Solve for x
    x = 146,964,303.53/12,022.60
  6. Step 6: Final answer
    x = 12,224.00

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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.