Home / 14,078.17-19,424.60-8,414.75

Finding the Fourth Proportional to 14,078.17, 19,424.60 and 8,414.75

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Solution

The fourth proportional to 14,078.17, 19,424.60 and 8,414.75 is: 11,610.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,078.17 : 19,424.60 = 8,414.75 : x
  2. Step 2: Convert to fraction form
    14,078.17/19,424.60 = 8,414.75/x
  3. Step 3: Cross multiply
    14,078.17x = 19,424.60 × 8,414.75
  4. Step 4: Simplify right side
    14,078.17x = 163,453,152.85
  5. Step 5: Solve for x
    x = 163,453,152.85/14,078.17
  6. Step 6: Final answer
    x = 11,610.40

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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.