Home / 16,875.43-25,313.55-5,188.75

Finding the Fourth Proportional to 16,875.43, 25,313.55 and 5,188.75

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Solution

The fourth proportional to 16,875.43, 25,313.55 and 5,188.75 is: 7,783.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,875.43 : 25,313.55 = 5,188.75 : x
  2. Step 2: Convert to fraction form
    16,875.43/25,313.55 = 5,188.75/x
  3. Step 3: Cross multiply
    16,875.43x = 25,313.55 × 5,188.75
  4. Step 4: Simplify right side
    16,875.43x = 131,345,682.56
  5. Step 5: Solve for x
    x = 131,345,682.56/16,875.43
  6. Step 6: Final answer
    x = 7,783.25

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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.