Home / 18,324.57-25,289.73-11,154.99

Finding the Fourth Proportional to 18,324.57, 25,289.73 and 11,154.99

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Solution

The fourth proportional to 18,324.57, 25,289.73 and 11,154.99 is: 15,395.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,324.57 : 25,289.73 = 11,154.99 : x
  2. Step 2: Convert to fraction form
    18,324.57/25,289.73 = 11,154.99/x
  3. Step 3: Cross multiply
    18,324.57x = 25,289.73 × 11,154.99
  4. Step 4: Simplify right side
    18,324.57x = 282,106,685.25
  5. Step 5: Solve for x
    x = 282,106,685.25/18,324.57
  6. Step 6: Final answer
    x = 15,395.00

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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.