Home / 27,518.24-37,975.32-15,583.90

Finding the Fourth Proportional to 27,518.24, 37,975.32 and 15,583.90

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Solution

The fourth proportional to 27,518.24, 37,975.32 and 15,583.90 is: 21,505.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,518.24 : 37,975.32 = 15,583.90 : x
  2. Step 2: Convert to fraction form
    27,518.24/37,975.32 = 15,583.90/x
  3. Step 3: Cross multiply
    27,518.24x = 37,975.32 × 15,583.90
  4. Step 4: Simplify right side
    27,518.24x = 591,803,716.25
  5. Step 5: Solve for x
    x = 591,803,716.25/27,518.24
  6. Step 6: Final answer
    x = 21,505.87

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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.