Home / 14,124.96-19,490.28-8,458.38

Finding the Fourth Proportional to 14,124.96, 19,490.28 and 8,458.38

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Solution

The fourth proportional to 14,124.96, 19,490.28 and 8,458.38 is: 11,671.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124.96 : 19,490.28 = 8,458.38 : x
  2. Step 2: Convert to fraction form
    14,124.96/19,490.28 = 8,458.38/x
  3. Step 3: Cross multiply
    14,124.96x = 19,490.28 × 8,458.38
  4. Step 4: Simplify right side
    14,124.96x = 164,856,194.55
  5. Step 5: Solve for x
    x = 164,856,194.55/14,124.96
  6. Step 6: Final answer
    x = 11,671.27

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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.