Home / 21,655.37-29,882.46-12,093.93

Finding the Fourth Proportional to 21,655.37, 29,882.46 and 12,093.93

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Solution

The fourth proportional to 21,655.37, 29,882.46 and 12,093.93 is: 16,688.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,655.37 : 29,882.46 = 12,093.93 : x
  2. Step 2: Convert to fraction form
    21,655.37/29,882.46 = 12,093.93/x
  3. Step 3: Cross multiply
    21,655.37x = 29,882.46 × 12,093.93
  4. Step 4: Simplify right side
    21,655.37x = 361,396,311.26
  5. Step 5: Solve for x
    x = 361,396,311.26/21,655.37
  6. Step 6: Final answer
    x = 16,688.53

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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.