Home / 25,230.85-34,817.27-13,900.09

Finding the Fourth Proportional to 25,230.85, 34,817.27 and 13,900.09

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Solution

The fourth proportional to 25,230.85, 34,817.27 and 13,900.09 is: 19,181.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,230.85 : 34,817.27 = 13,900.09 : x
  2. Step 2: Convert to fraction form
    25,230.85/34,817.27 = 13,900.09/x
  3. Step 3: Cross multiply
    25,230.85x = 34,817.27 × 13,900.09
  4. Step 4: Simplify right side
    25,230.85x = 483,963,186.55
  5. Step 5: Solve for x
    x = 483,963,186.55/25,230.85
  6. Step 6: Final answer
    x = 19,181.41

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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.