Home / 16,934.80-23,372.44-9,865.12

Finding the Fourth Proportional to 16,934.80, 23,372.44 and 9,865.12

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Solution

The fourth proportional to 16,934.80, 23,372.44 and 9,865.12 is: 13,615.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,934.80 : 23,372.44 = 9,865.12 : x
  2. Step 2: Convert to fraction form
    16,934.80/23,372.44 = 9,865.12/x
  3. Step 3: Cross multiply
    16,934.80x = 23,372.44 × 9,865.12
  4. Step 4: Simplify right side
    16,934.80x = 230,571,925.29
  5. Step 5: Solve for x
    x = 230,571,925.29/16,934.80
  6. Step 6: Final answer
    x = 13,615.27

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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.