Home / 14,158.18-21,236.46-6,767.74

Finding the Fourth Proportional to 14,158.18, 21,236.46 and 6,767.74

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Solution

The fourth proportional to 14,158.18, 21,236.46 and 6,767.74 is: 10,151.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,158.18 : 21,236.46 = 6,767.74 : x
  2. Step 2: Convert to fraction form
    14,158.18/21,236.46 = 6,767.74/x
  3. Step 3: Cross multiply
    14,158.18x = 21,236.46 × 6,767.74
  4. Step 4: Simplify right side
    14,158.18x = 143,722,839.80
  5. Step 5: Solve for x
    x = 143,722,839.80/14,158.18
  6. Step 6: Final answer
    x = 10,151.22

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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.