Home / 18,716.24-25,828.32-10,332.68

Finding the Fourth Proportional to 18,716.24, 25,828.32 and 10,332.68

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Solution

The fourth proportional to 18,716.24, 25,828.32 and 10,332.68 is: 14,259.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,716.24 : 25,828.32 = 10,332.68 : x
  2. Step 2: Convert to fraction form
    18,716.24/25,828.32 = 10,332.68/x
  3. Step 3: Cross multiply
    18,716.24x = 25,828.32 × 10,332.68
  4. Step 4: Simplify right side
    18,716.24x = 266,875,765.50
  5. Step 5: Solve for x
    x = 266,875,765.50/18,716.24
  6. Step 6: Final answer
    x = 14,259.05

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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.