Home / 14,650.82-21,925.18-11,987.54

Finding the Fourth Proportional to 14,650.82, 21,925.18 and 11,987.54

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Solution

The fourth proportional to 14,650.82, 21,925.18 and 11,987.54 is: 17,939.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,650.82 : 21,925.18 = 11,987.54 : x
  2. Step 2: Convert to fraction form
    14,650.82/21,925.18 = 11,987.54/x
  3. Step 3: Cross multiply
    14,650.82x = 21,925.18 × 11,987.54
  4. Step 4: Simplify right side
    14,650.82x = 262,828,972.26
  5. Step 5: Solve for x
    x = 262,828,972.26/14,650.82
  6. Step 6: Final answer
    x = 17,939.54

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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.