Home / 14,175.54-21,238.74-8,617.32

Finding the Fourth Proportional to 14,175.54, 21,238.74 and 8,617.32

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Solution

The fourth proportional to 14,175.54, 21,238.74 and 8,617.32 is: 12,911.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,175.54 : 21,238.74 = 8,617.32 : x
  2. Step 2: Convert to fraction form
    14,175.54/21,238.74 = 8,617.32/x
  3. Step 3: Cross multiply
    14,175.54x = 21,238.74 × 8,617.32
  4. Step 4: Simplify right side
    14,175.54x = 183,021,018.98
  5. Step 5: Solve for x
    x = 183,021,018.98/14,175.54
  6. Step 6: Final answer
    x = 12,911.04

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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.