Home / 14,516.50-21,775.02-4,128.52

Finding the Fourth Proportional to 14,516.50, 21,775.02 and 4,128.52

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Solution

The fourth proportional to 14,516.50, 21,775.02 and 4,128.52 is: 6,192.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,516.50 : 21,775.02 = 4,128.52 : x
  2. Step 2: Convert to fraction form
    14,516.50/21,775.02 = 4,128.52/x
  3. Step 3: Cross multiply
    14,516.50x = 21,775.02 × 4,128.52
  4. Step 4: Simplify right side
    14,516.50x = 89,898,605.57
  5. Step 5: Solve for x
    x = 89,898,605.57/14,516.50
  6. Step 6: Final answer
    x = 6,192.86

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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.