Home / 17,890.23-26,826.24-10,509.12

Finding the Fourth Proportional to 17,890.23, 26,826.24 and 10,509.12

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Solution

The fourth proportional to 17,890.23, 26,826.24 and 10,509.12 is: 15,758.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,890.23 : 26,826.24 = 10,509.12 : x
  2. Step 2: Convert to fraction form
    17,890.23/26,826.24 = 10,509.12/x
  3. Step 3: Cross multiply
    17,890.23x = 26,826.24 × 10,509.12
  4. Step 4: Simplify right side
    17,890.23x = 281,920,175.31
  5. Step 5: Solve for x
    x = 281,920,175.31/17,890.23
  6. Step 6: Final answer
    x = 15,758.33

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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.