Home / 12,959.04-19,435.68-5,461.44

Finding the Fourth Proportional to 12,959.04, 19,435.68 and 5,461.44

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Solution

The fourth proportional to 12,959.04, 19,435.68 and 5,461.44 is: 8,190.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,959.04 : 19,435.68 = 5,461.44 : x
  2. Step 2: Convert to fraction form
    12,959.04/19,435.68 = 5,461.44/x
  3. Step 3: Cross multiply
    12,959.04x = 19,435.68 × 5,461.44
  4. Step 4: Simplify right side
    12,959.04x = 106,146,800.18
  5. Step 5: Solve for x
    x = 106,146,800.18/12,959.04
  6. Step 6: Final answer
    x = 8,190.95

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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.