Home / 18,749.43-25,877.37-10,790.19

Finding the Fourth Proportional to 18,749.43, 25,877.37 and 10,790.19

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Solution

The fourth proportional to 18,749.43, 25,877.37 and 10,790.19 is: 14,892.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,749.43 : 25,877.37 = 10,790.19 : x
  2. Step 2: Convert to fraction form
    18,749.43/25,877.37 = 10,790.19/x
  3. Step 3: Cross multiply
    18,749.43x = 25,877.37 × 10,790.19
  4. Step 4: Simplify right side
    18,749.43x = 279,221,739.00
  5. Step 5: Solve for x
    x = 279,221,739.00/18,749.43
  6. Step 6: Final answer
    x = 14,892.28

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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.