Home / 18,628.16-25,707.11-10,670.37

Finding the Fourth Proportional to 18,628.16, 25,707.11 and 10,670.37

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Solution

The fourth proportional to 18,628.16, 25,707.11 and 10,670.37 is: 14,725.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,628.16 : 25,707.11 = 10,670.37 : x
  2. Step 2: Convert to fraction form
    18,628.16/25,707.11 = 10,670.37/x
  3. Step 3: Cross multiply
    18,628.16x = 25,707.11 × 10,670.37
  4. Step 4: Simplify right side
    18,628.16x = 274,304,321.98
  5. Step 5: Solve for x
    x = 274,304,321.98/18,628.16
  6. Step 6: Final answer
    x = 14,725.25

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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.