Home / 16,947.45-25,420.91-5,260.68

Finding the Fourth Proportional to 16,947.45, 25,420.91 and 5,260.68

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Solution

The fourth proportional to 16,947.45, 25,420.91 and 5,260.68 is: 7,890.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,947.45 : 25,420.91 = 5,260.68 : x
  2. Step 2: Convert to fraction form
    16,947.45/25,420.91 = 5,260.68/x
  3. Step 3: Cross multiply
    16,947.45x = 25,420.91 × 5,260.68
  4. Step 4: Simplify right side
    16,947.45x = 133,731,246.52
  5. Step 5: Solve for x
    x = 133,731,246.52/16,947.45
  6. Step 6: Final answer
    x = 7,890.94

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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.