Home / 25,313.36-37,979.84-10,518.48

Finding the Fourth Proportional to 25,313.36, 37,979.84 and 10,518.48

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Solution

The fourth proportional to 25,313.36, 37,979.84 and 10,518.48 is: 15,781.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,313.36 : 37,979.84 = 10,518.48 : x
  2. Step 2: Convert to fraction form
    25,313.36/37,979.84 = 10,518.48/x
  3. Step 3: Cross multiply
    25,313.36x = 37,979.84 × 10,518.48
  4. Step 4: Simplify right side
    25,313.36x = 399,490,187.44
  5. Step 5: Solve for x
    x = 399,490,187.44/25,313.36
  6. Step 6: Final answer
    x = 15,781.79

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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.