Home / 20,173.69-27,859.66-16,623.82

Finding the Fourth Proportional to 20,173.69, 27,859.66 and 16,623.82

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Solution

The fourth proportional to 20,173.69, 27,859.66 and 16,623.82 is: 22,957.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,173.69 : 27,859.66 = 16,623.82 : x
  2. Step 2: Convert to fraction form
    20,173.69/27,859.66 = 16,623.82/x
  3. Step 3: Cross multiply
    20,173.69x = 27,859.66 × 16,623.82
  4. Step 4: Simplify right side
    20,173.69x = 463,133,966.37
  5. Step 5: Solve for x
    x = 463,133,966.37/20,173.69
  6. Step 6: Final answer
    x = 22,957.32

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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.