Home / 14,023.08-19,358.87-8,719.61

Finding the Fourth Proportional to 14,023.08, 19,358.87 and 8,719.61

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Solution

The fourth proportional to 14,023.08, 19,358.87 and 8,719.61 is: 12,037.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,023.08 : 19,358.87 = 8,719.61 : x
  2. Step 2: Convert to fraction form
    14,023.08/19,358.87 = 8,719.61/x
  3. Step 3: Cross multiply
    14,023.08x = 19,358.87 × 8,719.61
  4. Step 4: Simplify right side
    14,023.08x = 168,801,656.05
  5. Step 5: Solve for x
    x = 168,801,656.05/14,023.08
  6. Step 6: Final answer
    x = 12,037.42

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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.