Home / 20,695.68-28,593.44-14,436

Finding the Fourth Proportional to 20,695.68, 28,593.44 and 14,436

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Solution

The fourth proportional to 20,695.68, 28,593.44 and 14,436 is: 19,944.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,695.68 : 28,593.44 = 14,436 : x
  2. Step 2: Convert to fraction form
    20,695.68/28,593.44 = 14,436/x
  3. Step 3: Cross multiply
    20,695.68x = 28,593.44 × 14,436
  4. Step 4: Simplify right side
    20,695.68x = 412,774,899.84
  5. Step 5: Solve for x
    x = 412,774,899.84/20,695.68
  6. Step 6: Final answer
    x = 19,944.98

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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.