Home / 14,112.12-21,169.20-4,752.08

Finding the Fourth Proportional to 14,112.12, 21,169.20 and 4,752.08

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Solution

The fourth proportional to 14,112.12, 21,169.20 and 4,752.08 is: 7,128.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112.12 : 21,169.20 = 4,752.08 : x
  2. Step 2: Convert to fraction form
    14,112.12/21,169.20 = 4,752.08/x
  3. Step 3: Cross multiply
    14,112.12x = 21,169.20 × 4,752.08
  4. Step 4: Simplify right side
    14,112.12x = 100,597,731.94
  5. Step 5: Solve for x
    x = 100,597,731.94/14,112.12
  6. Step 6: Final answer
    x = 7,128.46

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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.