Home / 18,662.32-25,757.36-10,707.18

Finding the Fourth Proportional to 18,662.32, 25,757.36 and 10,707.18

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Solution

The fourth proportional to 18,662.32, 25,757.36 and 10,707.18 is: 14,777.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,662.32 : 25,757.36 = 10,707.18 : x
  2. Step 2: Convert to fraction form
    18,662.32/25,757.36 = 10,707.18/x
  3. Step 3: Cross multiply
    18,662.32x = 25,757.36 × 10,707.18
  4. Step 4: Simplify right side
    18,662.32x = 275,788,689.84
  5. Step 5: Solve for x
    x = 275,788,689.84/18,662.32
  6. Step 6: Final answer
    x = 14,777.84

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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.