Home / 14,516.64-21,776.16-4,128.48

Finding the Fourth Proportional to 14,516.64, 21,776.16 and 4,128.48

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Solution

The fourth proportional to 14,516.64, 21,776.16 and 4,128.48 is: 6,193.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,516.64 : 21,776.16 = 4,128.48 : x
  2. Step 2: Convert to fraction form
    14,516.64/21,776.16 = 4,128.48/x
  3. Step 3: Cross multiply
    14,516.64x = 21,776.16 × 4,128.48
  4. Step 4: Simplify right side
    14,516.64x = 89,902,441.04
  5. Step 5: Solve for x
    x = 89,902,441.04/14,516.64
  6. Step 6: Final answer
    x = 6,193.06

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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.