Home / 18,628.66-25,707.74-10,670.73

Finding the Fourth Proportional to 18,628.66, 25,707.74 and 10,670.73

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Solution

The fourth proportional to 18,628.66, 25,707.74 and 10,670.73 is: 14,725.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,628.66 : 25,707.74 = 10,670.73 : x
  2. Step 2: Convert to fraction form
    18,628.66/25,707.74 = 10,670.73/x
  3. Step 3: Cross multiply
    18,628.66x = 25,707.74 × 10,670.73
  4. Step 4: Simplify right side
    18,628.66x = 274,320,352.45
  5. Step 5: Solve for x
    x = 274,320,352.45/18,628.66
  6. Step 6: Final answer
    x = 14,725.72

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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.