Home / 14,124.94-21,180.75-5,234.14

Finding the Fourth Proportional to 14,124.94, 21,180.75 and 5,234.14

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Solution

The fourth proportional to 14,124.94, 21,180.75 and 5,234.14 is: 7,848.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124.94 : 21,180.75 = 5,234.14 : x
  2. Step 2: Convert to fraction form
    14,124.94/21,180.75 = 5,234.14/x
  3. Step 3: Cross multiply
    14,124.94x = 21,180.75 × 5,234.14
  4. Step 4: Simplify right side
    14,124.94x = 110,863,010.81
  5. Step 5: Solve for x
    x = 110,863,010.81/14,124.94
  6. Step 6: Final answer
    x = 7,848.74

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1.5x scale

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.