Home / 14,112.02-21,168.84-3,723.50

Finding the Fourth Proportional to 14,112.02, 21,168.84 and 3,723.50

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Solution

The fourth proportional to 14,112.02, 21,168.84 and 3,723.50 is: 5,585.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112.02 : 21,168.84 = 3,723.50 : x
  2. Step 2: Convert to fraction form
    14,112.02/21,168.84 = 3,723.50/x
  3. Step 3: Cross multiply
    14,112.02x = 21,168.84 × 3,723.50
  4. Step 4: Simplify right side
    14,112.02x = 78,822,175.74
  5. Step 5: Solve for x
    x = 78,822,175.74/14,112.02
  6. Step 6: Final answer
    x = 5,585.46

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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.