Home / 17,455.07-26,197.72-9,140.91

Finding the Fourth Proportional to 17,455.07, 26,197.72 and 9,140.91

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Solution

The fourth proportional to 17,455.07, 26,197.72 and 9,140.91 is: 13,719.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,455.07 : 26,197.72 = 9,140.91 : x
  2. Step 2: Convert to fraction form
    17,455.07/26,197.72 = 9,140.91/x
  3. Step 3: Cross multiply
    17,455.07x = 26,197.72 × 9,140.91
  4. Step 4: Simplify right side
    17,455.07x = 239,470,879.63
  5. Step 5: Solve for x
    x = 239,470,879.63/17,455.07
  6. Step 6: Final answer
    x = 13,719.27

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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.