Home / 14,117.01-19,478.35-8,147.41

Finding the Fourth Proportional to 14,117.01, 19,478.35 and 8,147.41

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Solution

The fourth proportional to 14,117.01, 19,478.35 and 8,147.41 is: 11,241.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,117.01 : 19,478.35 = 8,147.41 : x
  2. Step 2: Convert to fraction form
    14,117.01/19,478.35 = 8,147.41/x
  3. Step 3: Cross multiply
    14,117.01x = 19,478.35 × 8,147.41
  4. Step 4: Simplify right side
    14,117.01x = 158,698,103.57
  5. Step 5: Solve for x
    x = 158,698,103.57/14,117.01
  6. Step 6: Final answer
    x = 11,241.62

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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.