Home / 18,847.01-28,270.73-4,807.01

Finding the Fourth Proportional to 18,847.01, 28,270.73 and 4,807.01

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Solution

The fourth proportional to 18,847.01, 28,270.73 and 4,807.01 is: 7,210.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,847.01 : 28,270.73 = 4,807.01 : x
  2. Step 2: Convert to fraction form
    18,847.01/28,270.73 = 4,807.01/x
  3. Step 3: Cross multiply
    18,847.01x = 28,270.73 × 4,807.01
  4. Step 4: Simplify right side
    18,847.01x = 135,897,591.97
  5. Step 5: Solve for x
    x = 135,897,591.97/18,847.01
  6. Step 6: Final answer
    x = 7,210.57

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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.