Home / 16,729.24-23,085.84-9,175.20

Finding the Fourth Proportional to 16,729.24, 23,085.84 and 9,175.20

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Solution

The fourth proportional to 16,729.24, 23,085.84 and 9,175.20 is: 12,661.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,729.24 : 23,085.84 = 9,175.20 : x
  2. Step 2: Convert to fraction form
    16,729.24/23,085.84 = 9,175.20/x
  3. Step 3: Cross multiply
    16,729.24x = 23,085.84 × 9,175.20
  4. Step 4: Simplify right side
    16,729.24x = 211,817,199.17
  5. Step 5: Solve for x
    x = 211,817,199.17/16,729.24
  6. Step 6: Final answer
    x = 12,661.50

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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.