Home / 14,221.06-19,625.16-8,256.28

Finding the Fourth Proportional to 14,221.06, 19,625.16 and 8,256.28

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Solution

The fourth proportional to 14,221.06, 19,625.16 and 8,256.28 is: 11,393.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,221.06 : 19,625.16 = 8,256.28 : x
  2. Step 2: Convert to fraction form
    14,221.06/19,625.16 = 8,256.28/x
  3. Step 3: Cross multiply
    14,221.06x = 19,625.16 × 8,256.28
  4. Step 4: Simplify right side
    14,221.06x = 162,030,816.00
  5. Step 5: Solve for x
    x = 162,030,816.00/14,221.06
  6. Step 6: Final answer
    x = 11,393.72

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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.