Home / 20,794.46-28,696.43-11,363.02

Finding the Fourth Proportional to 20,794.46, 28,696.43 and 11,363.02

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Solution

The fourth proportional to 20,794.46, 28,696.43 and 11,363.02 is: 15,681.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,794.46 : 28,696.43 = 11,363.02 : x
  2. Step 2: Convert to fraction form
    20,794.46/28,696.43 = 11,363.02/x
  3. Step 3: Cross multiply
    20,794.46x = 28,696.43 × 11,363.02
  4. Step 4: Simplify right side
    20,794.46x = 326,078,051.20
  5. Step 5: Solve for x
    x = 326,078,051.20/20,794.46
  6. Step 6: Final answer
    x = 15,681.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.