Home / 13,954.19-19,257.08-8,579.70

Finding the Fourth Proportional to 13,954.19, 19,257.08 and 8,579.70

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Solution

The fourth proportional to 13,954.19, 19,257.08 and 8,579.70 is: 11,840.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,954.19 : 19,257.08 = 8,579.70 : x
  2. Step 2: Convert to fraction form
    13,954.19/19,257.08 = 8,579.70/x
  3. Step 3: Cross multiply
    13,954.19x = 19,257.08 × 8,579.70
  4. Step 4: Simplify right side
    13,954.19x = 165,219,926.38
  5. Step 5: Solve for x
    x = 165,219,926.38/13,954.19
  6. Step 6: Final answer
    x = 11,840.17

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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.