Home / 13,274.19-19,920.33-5,482.95

Finding the Fourth Proportional to 13,274.19, 19,920.33 and 5,482.95

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Solution

The fourth proportional to 13,274.19, 19,920.33 and 5,482.95 is: 8,228.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,274.19 : 19,920.33 = 5,482.95 : x
  2. Step 2: Convert to fraction form
    13,274.19/19,920.33 = 5,482.95/x
  3. Step 3: Cross multiply
    13,274.19x = 19,920.33 × 5,482.95
  4. Step 4: Simplify right side
    13,274.19x = 109,222,173.37
  5. Step 5: Solve for x
    x = 109,222,173.37/13,274.19
  6. Step 6: Final answer
    x = 8,228.16

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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.