Home / 21,156.09-29,195.24-11,596.01

Finding the Fourth Proportional to 21,156.09, 29,195.24 and 11,596.01

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Solution

The fourth proportional to 21,156.09, 29,195.24 and 11,596.01 is: 16,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,156.09 : 29,195.24 = 11,596.01 : x
  2. Step 2: Convert to fraction form
    21,156.09/29,195.24 = 11,596.01/x
  3. Step 3: Cross multiply
    21,156.09x = 29,195.24 × 11,596.01
  4. Step 4: Simplify right side
    21,156.09x = 338,548,255.26
  5. Step 5: Solve for x
    x = 338,548,255.26/21,156.09
  6. Step 6: Final answer
    x = 16,002.40

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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.