Home / 14,623.07-20,180-7,908.83

Finding the Fourth Proportional to 14,623.07, 20,180 and 7,908.83

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Solution

The fourth proportional to 14,623.07, 20,180 and 7,908.83 is: 10,914.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,623.07 : 20,180 = 7,908.83 : x
  2. Step 2: Convert to fraction form
    14,623.07/20,180 = 7,908.83/x
  3. Step 3: Cross multiply
    14,623.07x = 20,180 × 7,908.83
  4. Step 4: Simplify right side
    14,623.07x = 159,600,189.40
  5. Step 5: Solve for x
    x = 159,600,189.40/14,623.07
  6. Step 6: Final answer
    x = 10,914.27

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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.