Home / 14,098.80-21,148.20-13,029.60

Finding the Fourth Proportional to 14,098.80, 21,148.20 and 13,029.60

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Solution

The fourth proportional to 14,098.80, 21,148.20 and 13,029.60 is: 19,544.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,098.80 : 21,148.20 = 13,029.60 : x
  2. Step 2: Convert to fraction form
    14,098.80/21,148.20 = 13,029.60/x
  3. Step 3: Cross multiply
    14,098.80x = 21,148.20 × 13,029.60
  4. Step 4: Simplify right side
    14,098.80x = 275,552,586.72
  5. Step 5: Solve for x
    x = 275,552,586.72/14,098.80
  6. Step 6: Final answer
    x = 19,544.40

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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.