Home / 20,850.99-31,276.37-5,056.01

Finding the Fourth Proportional to 20,850.99, 31,276.37 and 5,056.01

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Solution

The fourth proportional to 20,850.99, 31,276.37 and 5,056.01 is: 7,583.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,850.99 : 31,276.37 = 5,056.01 : x
  2. Step 2: Convert to fraction form
    20,850.99/31,276.37 = 5,056.01/x
  3. Step 3: Cross multiply
    20,850.99x = 31,276.37 × 5,056.01
  4. Step 4: Simplify right side
    20,850.99x = 158,133,681.15
  5. Step 5: Solve for x
    x = 158,133,681.15/20,850.99
  6. Step 6: Final answer
    x = 7,583.99

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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.