Home / 18,354.09-27,535.55-5,703.45

Finding the Fourth Proportional to 18,354.09, 27,535.55 and 5,703.45

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Solution

The fourth proportional to 18,354.09, 27,535.55 and 5,703.45 is: 8,556.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,354.09 : 27,535.55 = 5,703.45 : x
  2. Step 2: Convert to fraction form
    18,354.09/27,535.55 = 5,703.45/x
  3. Step 3: Cross multiply
    18,354.09x = 27,535.55 × 5,703.45
  4. Step 4: Simplify right side
    18,354.09x = 157,047,500.87
  5. Step 5: Solve for x
    x = 157,047,500.87/18,354.09
  6. Step 6: Final answer
    x = 8,556.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.