Home / 18,708.36-25,816.86-10,324.68

Finding the Fourth Proportional to 18,708.36, 25,816.86 and 10,324.68

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Solution

The fourth proportional to 18,708.36, 25,816.86 and 10,324.68 is: 14,247.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,708.36 : 25,816.86 = 10,324.68 : x
  2. Step 2: Convert to fraction form
    18,708.36/25,816.86 = 10,324.68/x
  3. Step 3: Cross multiply
    18,708.36x = 25,816.86 × 10,324.68
  4. Step 4: Simplify right side
    18,708.36x = 266,550,818.10
  5. Step 5: Solve for x
    x = 266,550,818.10/18,708.36
  6. Step 6: Final answer
    x = 14,247.68

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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.