Home / 18,784.44-25,923.34-10,400.94

Finding the Fourth Proportional to 18,784.44, 25,923.34 and 10,400.94

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Solution

The fourth proportional to 18,784.44, 25,923.34 and 10,400.94 is: 14,353.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,784.44 : 25,923.34 = 10,400.94 : x
  2. Step 2: Convert to fraction form
    18,784.44/25,923.34 = 10,400.94/x
  3. Step 3: Cross multiply
    18,784.44x = 25,923.34 × 10,400.94
  4. Step 4: Simplify right side
    18,784.44x = 269,626,987.13
  5. Step 5: Solve for x
    x = 269,626,987.13/18,784.44
  6. Step 6: Final answer
    x = 14,353.74

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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.