Home / 14,164.35-19,548.41-8,115.17

Finding the Fourth Proportional to 14,164.35, 19,548.41 and 8,115.17

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Solution

The fourth proportional to 14,164.35, 19,548.41 and 8,115.17 is: 11,199.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,164.35 : 19,548.41 = 8,115.17 : x
  2. Step 2: Convert to fraction form
    14,164.35/19,548.41 = 8,115.17/x
  3. Step 3: Cross multiply
    14,164.35x = 19,548.41 × 8,115.17
  4. Step 4: Simplify right side
    14,164.35x = 158,638,532.06
  5. Step 5: Solve for x
    x = 158,638,532.06/14,164.35
  6. Step 6: Final answer
    x = 11,199.85

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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.