Home / 21,333.08-29,450.72-15,584.08

Finding the Fourth Proportional to 21,333.08, 29,450.72 and 15,584.08

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Solution

The fourth proportional to 21,333.08, 29,450.72 and 15,584.08 is: 21,514.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,333.08 : 29,450.72 = 15,584.08 : x
  2. Step 2: Convert to fraction form
    21,333.08/29,450.72 = 15,584.08/x
  3. Step 3: Cross multiply
    21,333.08x = 29,450.72 × 15,584.08
  4. Step 4: Simplify right side
    21,333.08x = 458,962,361.93
  5. Step 5: Solve for x
    x = 458,962,361.93/21,333.08
  6. Step 6: Final answer
    x = 21,514.12

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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.