Home / 14,488.48-19,992.72-11,511.52

Finding the Fourth Proportional to 14,488.48, 19,992.72 and 11,511.52

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Solution

The fourth proportional to 14,488.48, 19,992.72 and 11,511.52 is: 15,884.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,488.48 : 19,992.72 = 11,511.52 : x
  2. Step 2: Convert to fraction form
    14,488.48/19,992.72 = 11,511.52/x
  3. Step 3: Cross multiply
    14,488.48x = 19,992.72 × 11,511.52
  4. Step 4: Simplify right side
    14,488.48x = 230,146,596.13
  5. Step 5: Solve for x
    x = 230,146,596.13/14,488.48
  6. Step 6: Final answer
    x = 15,884.80

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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.