Home / 28,794.07-43,196.91-12,154.12

Finding the Fourth Proportional to 28,794.07, 43,196.91 and 12,154.12

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Solution

The fourth proportional to 28,794.07, 43,196.91 and 12,154.12 is: 18,233.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,794.07 : 43,196.91 = 12,154.12 : x
  2. Step 2: Convert to fraction form
    28,794.07/43,196.91 = 12,154.12/x
  3. Step 3: Cross multiply
    28,794.07x = 43,196.91 × 12,154.12
  4. Step 4: Simplify right side
    28,794.07x = 525,020,427.77
  5. Step 5: Solve for x
    x = 525,020,427.77/28,794.07
  6. Step 6: Final answer
    x = 18,233.63

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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.