Home / 18,698.24-25,803.12-10,314.56

Finding the Fourth Proportional to 18,698.24, 25,803.12 and 10,314.56

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Solution

The fourth proportional to 18,698.24, 25,803.12 and 10,314.56 is: 14,233.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,698.24 : 25,803.12 = 10,314.56 : x
  2. Step 2: Convert to fraction form
    18,698.24/25,803.12 = 10,314.56/x
  3. Step 3: Cross multiply
    18,698.24x = 25,803.12 × 10,314.56
  4. Step 4: Simplify right side
    18,698.24x = 266,147,829.43
  5. Step 5: Solve for x
    x = 266,147,829.43/18,698.24
  6. Step 6: Final answer
    x = 14,233.84

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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.