Home / 21,593.55-29,799.77-11,904.02

Finding the Fourth Proportional to 21,593.55, 29,799.77 and 11,904.02

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Solution

The fourth proportional to 21,593.55, 29,799.77 and 11,904.02 is: 16,427.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,593.55 : 29,799.77 = 11,904.02 : x
  2. Step 2: Convert to fraction form
    21,593.55/29,799.77 = 11,904.02/x
  3. Step 3: Cross multiply
    21,593.55x = 29,799.77 × 11,904.02
  4. Step 4: Simplify right side
    21,593.55x = 354,736,849.56
  5. Step 5: Solve for x
    x = 354,736,849.56/21,593.55
  6. Step 6: Final answer
    x = 16,427.91

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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.