Home / 16,813.76-25,219.72-5,126.06

Finding the Fourth Proportional to 16,813.76, 25,219.72 and 5,126.06

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Solution

The fourth proportional to 16,813.76, 25,219.72 and 5,126.06 is: 7,688.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,813.76 : 25,219.72 = 5,126.06 : x
  2. Step 2: Convert to fraction form
    16,813.76/25,219.72 = 5,126.06/x
  3. Step 3: Cross multiply
    16,813.76x = 25,219.72 × 5,126.06
  4. Step 4: Simplify right side
    16,813.76x = 129,277,867.36
  5. Step 5: Solve for x
    x = 129,277,867.36/16,813.76
  6. Step 6: Final answer
    x = 7,688.82

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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.