Home / 27,582.45-38,052.34-18,019.05

Finding the Fourth Proportional to 27,582.45, 38,052.34 and 18,019.05

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Solution

The fourth proportional to 27,582.45, 38,052.34 and 18,019.05 is: 24,858.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,582.45 : 38,052.34 = 18,019.05 : x
  2. Step 2: Convert to fraction form
    27,582.45/38,052.34 = 18,019.05/x
  3. Step 3: Cross multiply
    27,582.45x = 38,052.34 × 18,019.05
  4. Step 4: Simplify right side
    27,582.45x = 685,667,017.08
  5. Step 5: Solve for x
    x = 685,667,017.08/27,582.45
  6. Step 6: Final answer
    x = 24,858.81

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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.