Home / 28,794.10-43,167.15-12,166.90

Finding the Fourth Proportional to 28,794.10, 43,167.15 and 12,166.90

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Solution

The fourth proportional to 28,794.10, 43,167.15 and 12,166.90 is: 18,240.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,794.10 : 43,167.15 = 12,166.90 : x
  2. Step 2: Convert to fraction form
    28,794.10/43,167.15 = 12,166.90/x
  3. Step 3: Cross multiply
    28,794.10x = 43,167.15 × 12,166.90
  4. Step 4: Simplify right side
    28,794.10x = 525,210,397.34
  5. Step 5: Solve for x
    x = 525,210,397.34/28,794.10
  6. Step 6: Final answer
    x = 18,240.21

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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.