Home / 15,794.94-21,800.43-10,771.16

Finding the Fourth Proportional to 15,794.94, 21,800.43 and 10,771.16

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Solution

The fourth proportional to 15,794.94, 21,800.43 and 10,771.16 is: 14,866.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,794.94 : 21,800.43 = 10,771.16 : x
  2. Step 2: Convert to fraction form
    15,794.94/21,800.43 = 10,771.16/x
  3. Step 3: Cross multiply
    15,794.94x = 21,800.43 × 10,771.16
  4. Step 4: Simplify right side
    15,794.94x = 234,815,810.60
  5. Step 5: Solve for x
    x = 234,815,810.60/15,794.94
  6. Step 6: Final answer
    x = 14,866.52

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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.