Home / 30,666.75-46,006.65-12,198.75

Finding the Fourth Proportional to 30,666.75, 46,006.65 and 12,198.75

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Solution

The fourth proportional to 30,666.75, 46,006.65 and 12,198.75 is: 18,300.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,666.75 : 46,006.65 = 12,198.75 : x
  2. Step 2: Convert to fraction form
    30,666.75/46,006.65 = 12,198.75/x
  3. Step 3: Cross multiply
    30,666.75x = 46,006.65 × 12,198.75
  4. Step 4: Simplify right side
    30,666.75x = 561,223,621.69
  5. Step 5: Solve for x
    x = 561,223,621.69/30,666.75
  6. Step 6: Final answer
    x = 18,300.72

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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.