Home / 25,698.96-35,443.44-21,595.32

Finding the Fourth Proportional to 25,698.96, 35,443.44 and 21,595.32

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Solution

The fourth proportional to 25,698.96, 35,443.44 and 21,595.32 is: 29,783.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,698.96 : 35,443.44 = 21,595.32 : x
  2. Step 2: Convert to fraction form
    25,698.96/35,443.44 = 21,595.32/x
  3. Step 3: Cross multiply
    25,698.96x = 35,443.44 × 21,595.32
  4. Step 4: Simplify right side
    25,698.96x = 765,412,428.70
  5. Step 5: Solve for x
    x = 765,412,428.70/25,698.96
  6. Step 6: Final answer
    x = 29,783.79

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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.