Home / 21,341.33-29,453.00-11,782.93

Finding the Fourth Proportional to 21,341.33, 29,453.00 and 11,782.93

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Solution

The fourth proportional to 21,341.33, 29,453.00 and 11,782.93 is: 16,261.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,341.33 : 29,453.00 = 11,782.93 : x
  2. Step 2: Convert to fraction form
    21,341.33/29,453.00 = 11,782.93/x
  3. Step 3: Cross multiply
    21,341.33x = 29,453.00 × 11,782.93
  4. Step 4: Simplify right side
    21,341.33x = 347,042,431.11
  5. Step 5: Solve for x
    x = 347,042,431.11/21,341.33
  6. Step 6: Final answer
    x = 16,261.52

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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.