Home / 15,986.39-23,982.41-4,892.83

Finding the Fourth Proportional to 15,986.39, 23,982.41 and 4,892.83

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Solution

The fourth proportional to 15,986.39, 23,982.41 and 4,892.83 is: 7,340.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,986.39 : 23,982.41 = 4,892.83 : x
  2. Step 2: Convert to fraction form
    15,986.39/23,982.41 = 4,892.83/x
  3. Step 3: Cross multiply
    15,986.39x = 23,982.41 × 4,892.83
  4. Step 4: Simplify right side
    15,986.39x = 117,341,807.40
  5. Step 5: Solve for x
    x = 117,341,807.40/15,986.39
  6. Step 6: Final answer
    x = 7,340.11

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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.