Home / 18,354.15-25,324.34-10,800.81

Finding the Fourth Proportional to 18,354.15, 25,324.34 and 10,800.81

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Solution

The fourth proportional to 18,354.15, 25,324.34 and 10,800.81 is: 14,902.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,354.15 : 25,324.34 = 10,800.81 : x
  2. Step 2: Convert to fraction form
    18,354.15/25,324.34 = 10,800.81/x
  3. Step 3: Cross multiply
    18,354.15x = 25,324.34 × 10,800.81
  4. Step 4: Simplify right side
    18,354.15x = 273,523,330.71
  5. Step 5: Solve for x
    x = 273,523,330.71/18,354.15
  6. Step 6: Final answer
    x = 14,902.53

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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.