Home / 14,235.90-21,353.85-10,080.60

Finding the Fourth Proportional to 14,235.90, 21,353.85 and 10,080.60

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Solution

The fourth proportional to 14,235.90, 21,353.85 and 10,080.60 is: 15,120.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,235.90 : 21,353.85 = 10,080.60 : x
  2. Step 2: Convert to fraction form
    14,235.90/21,353.85 = 10,080.60/x
  3. Step 3: Cross multiply
    14,235.90x = 21,353.85 × 10,080.60
  4. Step 4: Simplify right side
    14,235.90x = 215,259,620.31
  5. Step 5: Solve for x
    x = 215,259,620.31/14,235.90
  6. Step 6: Final answer
    x = 15,120.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.