Home / 12,881.58-19,325.34-5,488.44

Finding the Fourth Proportional to 12,881.58, 19,325.34 and 5,488.44

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Solution

The fourth proportional to 12,881.58, 19,325.34 and 5,488.44 is: 8,233.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,881.58 : 19,325.34 = 5,488.44 : x
  2. Step 2: Convert to fraction form
    12,881.58/19,325.34 = 5,488.44/x
  3. Step 3: Cross multiply
    12,881.58x = 19,325.34 × 5,488.44
  4. Step 4: Simplify right side
    12,881.58x = 106,065,969.07
  5. Step 5: Solve for x
    x = 106,065,969.07/12,881.58
  6. Step 6: Final answer
    x = 8,233.93

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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.