Home / 14,188.11-19,579.41-7,814.58

Finding the Fourth Proportional to 14,188.11, 19,579.41 and 7,814.58

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Solution

The fourth proportional to 14,188.11, 19,579.41 and 7,814.58 is: 10,784.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188.11 : 19,579.41 = 7,814.58 : x
  2. Step 2: Convert to fraction form
    14,188.11/19,579.41 = 7,814.58/x
  3. Step 3: Cross multiply
    14,188.11x = 19,579.41 × 7,814.58
  4. Step 4: Simplify right side
    14,188.11x = 153,004,826.72
  5. Step 5: Solve for x
    x = 153,004,826.72/14,188.11
  6. Step 6: Final answer
    x = 10,784.02

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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.