Home / 16,858.12-23,259.54-10,890.04

Finding the Fourth Proportional to 16,858.12, 23,259.54 and 10,890.04

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Solution

The fourth proportional to 16,858.12, 23,259.54 and 10,890.04 is: 15,025.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,858.12 : 23,259.54 = 10,890.04 : x
  2. Step 2: Convert to fraction form
    16,858.12/23,259.54 = 10,890.04/x
  3. Step 3: Cross multiply
    16,858.12x = 23,259.54 × 10,890.04
  4. Step 4: Simplify right side
    16,858.12x = 253,297,320.98
  5. Step 5: Solve for x
    x = 253,297,320.98/16,858.12
  6. Step 6: Final answer
    x = 15,025.24

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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.