Home / 25,313.99-34,933.55-13,983.75

Finding the Fourth Proportional to 25,313.99, 34,933.55 and 13,983.75

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Solution

The fourth proportional to 25,313.99, 34,933.55 and 13,983.75 is: 19,297.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,313.99 : 34,933.55 = 13,983.75 : x
  2. Step 2: Convert to fraction form
    25,313.99/34,933.55 = 13,983.75/x
  3. Step 3: Cross multiply
    25,313.99x = 34,933.55 × 13,983.75
  4. Step 4: Simplify right side
    25,313.99x = 488,501,959.89
  5. Step 5: Solve for x
    x = 488,501,959.89/25,313.99
  6. Step 6: Final answer
    x = 19,297.71

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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.