Home / 14,726.36-20,315.68-8,754.64

Finding the Fourth Proportional to 14,726.36, 20,315.68 and 8,754.64

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Solution

The fourth proportional to 14,726.36, 20,315.68 and 8,754.64 is: 12,077.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,726.36 : 20,315.68 = 8,754.64 : x
  2. Step 2: Convert to fraction form
    14,726.36/20,315.68 = 8,754.64/x
  3. Step 3: Cross multiply
    14,726.36x = 20,315.68 × 8,754.64
  4. Step 4: Simplify right side
    14,726.36x = 177,856,464.76
  5. Step 5: Solve for x
    x = 177,856,464.76/14,726.36
  6. Step 6: Final answer
    x = 12,077.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.