Home / 14,516.37-21,774.09-4,128.12

Finding the Fourth Proportional to 14,516.37, 21,774.09 and 4,128.12

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Solution

The fourth proportional to 14,516.37, 21,774.09 and 4,128.12 is: 6,192.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,516.37 : 21,774.09 = 4,128.12 : x
  2. Step 2: Convert to fraction form
    14,516.37/21,774.09 = 4,128.12/x
  3. Step 3: Cross multiply
    14,516.37x = 21,774.09 × 4,128.12
  4. Step 4: Simplify right side
    14,516.37x = 89,886,056.41
  5. Step 5: Solve for x
    x = 89,886,056.41/14,516.37
  6. Step 6: Final answer
    x = 6,192.05

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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.