Home / 13,216.62-19,818.80-4,896.30

Finding the Fourth Proportional to 13,216.62, 19,818.80 and 4,896.30

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Solution

The fourth proportional to 13,216.62, 19,818.80 and 4,896.30 is: 7,342.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,216.62 : 19,818.80 = 4,896.30 : x
  2. Step 2: Convert to fraction form
    13,216.62/19,818.80 = 4,896.30/x
  3. Step 3: Cross multiply
    13,216.62x = 19,818.80 × 4,896.30
  4. Step 4: Simplify right side
    13,216.62x = 97,038,790.44
  5. Step 5: Solve for x
    x = 97,038,790.44/13,216.62
  6. Step 6: Final answer
    x = 7,342.18

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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.