Home / 17,428.08-26,152.36-6,899.12

Finding the Fourth Proportional to 17,428.08, 26,152.36 and 6,899.12

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Solution

The fourth proportional to 17,428.08, 26,152.36 and 6,899.12 is: 10,352.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,428.08 : 26,152.36 = 6,899.12 : x
  2. Step 2: Convert to fraction form
    17,428.08/26,152.36 = 6,899.12/x
  3. Step 3: Cross multiply
    17,428.08x = 26,152.36 × 6,899.12
  4. Step 4: Simplify right side
    17,428.08x = 180,428,269.92
  5. Step 5: Solve for x
    x = 180,428,269.92/17,428.08
  6. Step 6: Final answer
    x = 10,352.73

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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.