Home / 18,945.65-28,422.63-5,799.03

Finding the Fourth Proportional to 18,945.65, 28,422.63 and 5,799.03

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Solution

The fourth proportional to 18,945.65, 28,422.63 and 5,799.03 is: 8,699.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,945.65 : 28,422.63 = 5,799.03 : x
  2. Step 2: Convert to fraction form
    18,945.65/28,422.63 = 5,799.03/x
  3. Step 3: Cross multiply
    18,945.65x = 28,422.63 × 5,799.03
  4. Step 4: Simplify right side
    18,945.65x = 164,823,684.05
  5. Step 5: Solve for x
    x = 164,823,684.05/18,945.65
  6. Step 6: Final answer
    x = 8,699.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.