Home / 14,521.72-20,041.16-8,234.52

Finding the Fourth Proportional to 14,521.72, 20,041.16 and 8,234.52

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Solution

The fourth proportional to 14,521.72, 20,041.16 and 8,234.52 is: 11,364.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,521.72 : 20,041.16 = 8,234.52 : x
  2. Step 2: Convert to fraction form
    14,521.72/20,041.16 = 8,234.52/x
  3. Step 3: Cross multiply
    14,521.72x = 20,041.16 × 8,234.52
  4. Step 4: Simplify right side
    14,521.72x = 165,029,332.84
  5. Step 5: Solve for x
    x = 165,029,332.84/14,521.72
  6. Step 6: Final answer
    x = 11,364.31

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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.