Home / 25,107.82-34,647.64-13,777.04

Finding the Fourth Proportional to 25,107.82, 34,647.64 and 13,777.04

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Solution

The fourth proportional to 25,107.82, 34,647.64 and 13,777.04 is: 19,011.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,107.82 : 34,647.64 = 13,777.04 : x
  2. Step 2: Convert to fraction form
    25,107.82/34,647.64 = 13,777.04/x
  3. Step 3: Cross multiply
    25,107.82x = 34,647.64 × 13,777.04
  4. Step 4: Simplify right side
    25,107.82x = 477,341,922.19
  5. Step 5: Solve for x
    x = 477,341,922.19/25,107.82
  6. Step 6: Final answer
    x = 19,011.68

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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.