Home / 13,271.66-19,886.83-4,949.44

Finding the Fourth Proportional to 13,271.66, 19,886.83 and 4,949.44

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Solution

The fourth proportional to 13,271.66, 19,886.83 and 4,949.44 is: 7,416.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,271.66 : 19,886.83 = 4,949.44 : x
  2. Step 2: Convert to fraction form
    13,271.66/19,886.83 = 4,949.44/x
  3. Step 3: Cross multiply
    13,271.66x = 19,886.83 × 4,949.44
  4. Step 4: Simplify right side
    13,271.66x = 98,428,609.78
  5. Step 5: Solve for x
    x = 98,428,609.78/13,271.66
  6. Step 6: Final answer
    x = 7,416.45

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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.