Home / 14,576.93-21,863.04-5,215.20

Finding the Fourth Proportional to 14,576.93, 21,863.04 and 5,215.20

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Solution

The fourth proportional to 14,576.93, 21,863.04 and 5,215.20 is: 7,821.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,576.93 : 21,863.04 = 5,215.20 : x
  2. Step 2: Convert to fraction form
    14,576.93/21,863.04 = 5,215.20/x
  3. Step 3: Cross multiply
    14,576.93x = 21,863.04 × 5,215.20
  4. Step 4: Simplify right side
    14,576.93x = 114,020,126.21
  5. Step 5: Solve for x
    x = 114,020,126.21/14,576.93
  6. Step 6: Final answer
    x = 7,821.96

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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.