Home / 19,648.54-29,458.08-11,855.52

Finding the Fourth Proportional to 19,648.54, 29,458.08 and 11,855.52

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Solution

The fourth proportional to 19,648.54, 29,458.08 and 11,855.52 is: 17,774.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,648.54 : 29,458.08 = 11,855.52 : x
  2. Step 2: Convert to fraction form
    19,648.54/29,458.08 = 11,855.52/x
  3. Step 3: Cross multiply
    19,648.54x = 29,458.08 × 11,855.52
  4. Step 4: Simplify right side
    19,648.54x = 349,240,856.60
  5. Step 5: Solve for x
    x = 349,240,856.60/19,648.54
  6. Step 6: Final answer
    x = 17,774.39

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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.