Home / 18,660.25-25,751.33-10,276.93

Finding the Fourth Proportional to 18,660.25, 25,751.33 and 10,276.93

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Solution

The fourth proportional to 18,660.25, 25,751.33 and 10,276.93 is: 14,182.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,660.25 : 25,751.33 = 10,276.93 : x
  2. Step 2: Convert to fraction form
    18,660.25/25,751.33 = 10,276.93/x
  3. Step 3: Cross multiply
    18,660.25x = 25,751.33 × 10,276.93
  4. Step 4: Simplify right side
    18,660.25x = 264,644,615.82
  5. Step 5: Solve for x
    x = 264,644,615.82/18,660.25
  6. Step 6: Final answer
    x = 14,182.27

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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.