Home / 19,788.32-29,683.38-11,016.63

Finding the Fourth Proportional to 19,788.32, 29,683.38 and 11,016.63

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Solution

The fourth proportional to 19,788.32, 29,683.38 and 11,016.63 is: 16,525.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,788.32 : 29,683.38 = 11,016.63 : x
  2. Step 2: Convert to fraction form
    19,788.32/29,683.38 = 11,016.63/x
  3. Step 3: Cross multiply
    19,788.32x = 29,683.38 × 11,016.63
  4. Step 4: Simplify right side
    19,788.32x = 327,010,814.61
  5. Step 5: Solve for x
    x = 327,010,814.61/19,788.32
  6. Step 6: Final answer
    x = 16,525.45

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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.