Home / 27,056.99-37,338.54-15,120.33

Finding the Fourth Proportional to 27,056.99, 37,338.54 and 15,120.33

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Solution

The fourth proportional to 27,056.99, 37,338.54 and 15,120.33 is: 20,865.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,056.99 : 37,338.54 = 15,120.33 : x
  2. Step 2: Convert to fraction form
    27,056.99/37,338.54 = 15,120.33/x
  3. Step 3: Cross multiply
    27,056.99x = 37,338.54 × 15,120.33
  4. Step 4: Simplify right side
    27,056.99x = 564,570,906.50
  5. Step 5: Solve for x
    x = 564,570,906.50/27,056.99
  6. Step 6: Final answer
    x = 20,865.99

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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.