Home / 12,026.20-18,039.84-4,628.02

Finding the Fourth Proportional to 12,026.20, 18,039.84 and 4,628.02

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Solution

The fourth proportional to 12,026.20, 18,039.84 and 4,628.02 is: 6,942.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,026.20 : 18,039.84 = 4,628.02 : x
  2. Step 2: Convert to fraction form
    12,026.20/18,039.84 = 4,628.02/x
  3. Step 3: Cross multiply
    12,026.20x = 18,039.84 × 4,628.02
  4. Step 4: Simplify right side
    12,026.20x = 83,488,740.32
  5. Step 5: Solve for x
    x = 83,488,740.32/12,026.20
  6. Step 6: Final answer
    x = 6,942.24

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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.