Home / 25,889.10-35,738.99-19,518.29

Finding the Fourth Proportional to 25,889.10, 35,738.99 and 19,518.29

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Solution

The fourth proportional to 25,889.10, 35,738.99 and 19,518.29 is: 26,944.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,889.10 : 35,738.99 = 19,518.29 : x
  2. Step 2: Convert to fraction form
    25,889.10/35,738.99 = 19,518.29/x
  3. Step 3: Cross multiply
    25,889.10x = 35,738.99 × 19,518.29
  4. Step 4: Simplify right side
    25,889.10x = 697,563,694.84
  5. Step 5: Solve for x
    x = 697,563,694.84/25,889.10
  6. Step 6: Final answer
    x = 26,944.30

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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.