Home / 14,171.76-21,252.17-6,774.23

Finding the Fourth Proportional to 14,171.76, 21,252.17 and 6,774.23

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Solution

The fourth proportional to 14,171.76, 21,252.17 and 6,774.23 is: 10,158.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,171.76 : 21,252.17 = 6,774.23 : x
  2. Step 2: Convert to fraction form
    14,171.76/21,252.17 = 6,774.23/x
  3. Step 3: Cross multiply
    14,171.76x = 21,252.17 × 6,774.23
  4. Step 4: Simplify right side
    14,171.76x = 143,967,157.65
  5. Step 5: Solve for x
    x = 143,967,157.65/14,171.76
  6. Step 6: Final answer
    x = 10,158.74

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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.