Home / 14,124.96-19,491.57-7,837.74

Finding the Fourth Proportional to 14,124.96, 19,491.57 and 7,837.74

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Solution

The fourth proportional to 14,124.96, 19,491.57 and 7,837.74 is: 10,815.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124.96 : 19,491.57 = 7,837.74 : x
  2. Step 2: Convert to fraction form
    14,124.96/19,491.57 = 7,837.74/x
  3. Step 3: Cross multiply
    14,124.96x = 19,491.57 × 7,837.74
  4. Step 4: Simplify right side
    14,124.96x = 152,769,857.85
  5. Step 5: Solve for x
    x = 152,769,857.85/14,124.96
  6. Step 6: Final answer
    x = 10,815.60

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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.