Home / 17,271.91-23,817.40-16,267.15

Finding the Fourth Proportional to 17,271.91, 23,817.40 and 16,267.15

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Solution

The fourth proportional to 17,271.91, 23,817.40 and 16,267.15 is: 22,431.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,271.91 : 23,817.40 = 16,267.15 : x
  2. Step 2: Convert to fraction form
    17,271.91/23,817.40 = 16,267.15/x
  3. Step 3: Cross multiply
    17,271.91x = 23,817.40 × 16,267.15
  4. Step 4: Simplify right side
    17,271.91x = 387,441,218.41
  5. Step 5: Solve for x
    x = 387,441,218.41/17,271.91
  6. Step 6: Final answer
    x = 22,431.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.