Home / 18,718.43-25,835.76-10,765.24

Finding the Fourth Proportional to 18,718.43, 25,835.76 and 10,765.24

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Solution

The fourth proportional to 18,718.43, 25,835.76 and 10,765.24 is: 14,858.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,718.43 : 25,835.76 = 10,765.24 : x
  2. Step 2: Convert to fraction form
    18,718.43/25,835.76 = 10,765.24/x
  3. Step 3: Cross multiply
    18,718.43x = 25,835.76 × 10,765.24
  4. Step 4: Simplify right side
    18,718.43x = 278,128,092.39
  5. Step 5: Solve for x
    x = 278,128,092.39/18,718.43
  6. Step 6: Final answer
    x = 14,858.52

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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.