Home / 14,151.12-21,226.32-6,760.80

Finding the Fourth Proportional to 14,151.12, 21,226.32 and 6,760.80

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Solution

The fourth proportional to 14,151.12, 21,226.32 and 6,760.80 is: 10,141.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,151.12 : 21,226.32 = 6,760.80 : x
  2. Step 2: Convert to fraction form
    14,151.12/21,226.32 = 6,760.80/x
  3. Step 3: Cross multiply
    14,151.12x = 21,226.32 × 6,760.80
  4. Step 4: Simplify right side
    14,151.12x = 143,506,904.26
  5. Step 5: Solve for x
    x = 143,506,904.26/14,151.12
  6. Step 6: Final answer
    x = 10,141.03

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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.