Home / 25,194.08-34,709.64-18,108.20

Finding the Fourth Proportional to 25,194.08, 34,709.64 and 18,108.20

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Solution

The fourth proportional to 25,194.08, 34,709.64 and 18,108.20 is: 24,947.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,194.08 : 34,709.64 = 18,108.20 : x
  2. Step 2: Convert to fraction form
    25,194.08/34,709.64 = 18,108.20/x
  3. Step 3: Cross multiply
    25,194.08x = 34,709.64 × 18,108.20
  4. Step 4: Simplify right side
    25,194.08x = 628,529,103.05
  5. Step 5: Solve for x
    x = 628,529,103.05/25,194.08
  6. Step 6: Final answer
    x = 24,947.49

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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.