Home / 17,317.68-23,745.18-15,632.88

Finding the Fourth Proportional to 17,317.68, 23,745.18 and 15,632.88

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Solution

The fourth proportional to 17,317.68, 23,745.18 and 15,632.88 is: 21,435.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,317.68 : 23,745.18 = 15,632.88 : x
  2. Step 2: Convert to fraction form
    17,317.68/23,745.18 = 15,632.88/x
  3. Step 3: Cross multiply
    17,317.68x = 23,745.18 × 15,632.88
  4. Step 4: Simplify right side
    17,317.68x = 371,205,549.52
  5. Step 5: Solve for x
    x = 371,205,549.52/17,317.68
  6. Step 6: Final answer
    x = 21,435.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.