Home / 14,125.23-19,491.39-8,458.83

Finding the Fourth Proportional to 14,125.23, 19,491.39 and 8,458.83

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Solution

The fourth proportional to 14,125.23, 19,491.39 and 8,458.83 is: 11,672.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125.23 : 19,491.39 = 8,458.83 : x
  2. Step 2: Convert to fraction form
    14,125.23/19,491.39 = 8,458.83/x
  3. Step 3: Cross multiply
    14,125.23x = 19,491.39 × 8,458.83
  4. Step 4: Simplify right side
    14,125.23x = 164,874,354.47
  5. Step 5: Solve for x
    x = 164,874,354.47/14,125.23
  6. Step 6: Final answer
    x = 11,672.33

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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.