Home / 16,929.76-23,366.64-9,855.04

Finding the Fourth Proportional to 16,929.76, 23,366.64 and 9,855.04

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Solution

The fourth proportional to 16,929.76, 23,366.64 and 9,855.04 is: 13,602.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,929.76 : 23,366.64 = 9,855.04 : x
  2. Step 2: Convert to fraction form
    16,929.76/23,366.64 = 9,855.04/x
  3. Step 3: Cross multiply
    16,929.76x = 23,366.64 × 9,855.04
  4. Step 4: Simplify right side
    16,929.76x = 230,279,171.87
  5. Step 5: Solve for x
    x = 230,279,171.87/16,929.76
  6. Step 6: Final answer
    x = 13,602.03

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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.