Home / 14,488.98-19,993.41-11,512.02

Finding the Fourth Proportional to 14,488.98, 19,993.41 and 11,512.02

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Solution

The fourth proportional to 14,488.98, 19,993.41 and 11,512.02 is: 15,885.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,488.98 : 19,993.41 = 11,512.02 : x
  2. Step 2: Convert to fraction form
    14,488.98/19,993.41 = 11,512.02/x
  3. Step 3: Cross multiply
    14,488.98x = 19,993.41 × 11,512.02
  4. Step 4: Simplify right side
    14,488.98x = 230,164,535.79
  5. Step 5: Solve for x
    x = 230,164,535.79/14,488.98
  6. Step 6: Final answer
    x = 15,885.49

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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.