Home / 20,536.94-28,345.64-17,173.92

Finding the Fourth Proportional to 20,536.94, 28,345.64 and 17,173.92

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Solution

The fourth proportional to 20,536.94, 28,345.64 and 17,173.92 is: 23,703.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,536.94 : 28,345.64 = 17,173.92 : x
  2. Step 2: Convert to fraction form
    20,536.94/28,345.64 = 17,173.92/x
  3. Step 3: Cross multiply
    20,536.94x = 28,345.64 × 17,173.92
  4. Step 4: Simplify right side
    20,536.94x = 486,805,667.84
  5. Step 5: Solve for x
    x = 486,805,667.84/20,536.94
  6. Step 6: Final answer
    x = 23,703.90

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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.