Home / 18,760.36-25,889.30-10,804.12

Finding the Fourth Proportional to 18,760.36, 25,889.30 and 10,804.12

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Solution

The fourth proportional to 18,760.36, 25,889.30 and 10,804.12 is: 14,909.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,760.36 : 25,889.30 = 10,804.12 : x
  2. Step 2: Convert to fraction form
    18,760.36/25,889.30 = 10,804.12/x
  3. Step 3: Cross multiply
    18,760.36x = 25,889.30 × 10,804.12
  4. Step 4: Simplify right side
    18,760.36x = 279,711,104.52
  5. Step 5: Solve for x
    x = 279,711,104.52/18,760.36
  6. Step 6: Final answer
    x = 14,909.69

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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.