Home / 14,432.22-19,916.87-8,145

Finding the Fourth Proportional to 14,432.22, 19,916.87 and 8,145

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Solution

The fourth proportional to 14,432.22, 19,916.87 and 8,145 is: 11,240.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,432.22 : 19,916.87 = 8,145 : x
  2. Step 2: Convert to fraction form
    14,432.22/19,916.87 = 8,145/x
  3. Step 3: Cross multiply
    14,432.22x = 19,916.87 × 8,145
  4. Step 4: Simplify right side
    14,432.22x = 162,222,865.43
  5. Step 5: Solve for x
    x = 162,222,865.43/14,432.22
  6. Step 6: Final answer
    x = 11,240.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.