Home / 15,434.52-23,164.74-12,375.96

Finding the Fourth Proportional to 15,434.52, 23,164.74 and 12,375.96

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Solution

The fourth proportional to 15,434.52, 23,164.74 and 12,375.96 is: 18,574.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,434.52 : 23,164.74 = 12,375.96 : x
  2. Step 2: Convert to fraction form
    15,434.52/23,164.74 = 12,375.96/x
  3. Step 3: Cross multiply
    15,434.52x = 23,164.74 × 12,375.96
  4. Step 4: Simplify right side
    15,434.52x = 286,685,895.65
  5. Step 5: Solve for x
    x = 286,685,895.65/15,434.52
  6. Step 6: Final answer
    x = 18,574.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.