Home / 25,763.82-38,658.69-19,203.18

Finding the Fourth Proportional to 25,763.82, 38,658.69 and 19,203.18

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Solution

The fourth proportional to 25,763.82, 38,658.69 and 19,203.18 is: 28,814.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,763.82 : 38,658.69 = 19,203.18 : x
  2. Step 2: Convert to fraction form
    25,763.82/38,658.69 = 19,203.18/x
  3. Step 3: Cross multiply
    25,763.82x = 38,658.69 × 19,203.18
  4. Step 4: Simplify right side
    25,763.82x = 742,369,782.63
  5. Step 5: Solve for x
    x = 742,369,782.63/25,763.82
  6. Step 6: Final answer
    x = 28,814.43

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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.