Home / 25,779.84-35,593.32-19,800.84

Finding the Fourth Proportional to 25,779.84, 35,593.32 and 19,800.84

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Solution

The fourth proportional to 25,779.84, 35,593.32 and 19,800.84 is: 27,338.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,779.84 : 35,593.32 = 19,800.84 : x
  2. Step 2: Convert to fraction form
    25,779.84/35,593.32 = 19,800.84/x
  3. Step 3: Cross multiply
    25,779.84x = 35,593.32 × 19,800.84
  4. Step 4: Simplify right side
    25,779.84x = 704,777,634.39
  5. Step 5: Solve for x
    x = 704,777,634.39/25,779.84
  6. Step 6: Final answer
    x = 27,338.32

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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.