Home / 13,867.27-19,136.96-7,898.85

Finding the Fourth Proportional to 13,867.27, 19,136.96 and 7,898.85

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Solution

The fourth proportional to 13,867.27, 19,136.96 and 7,898.85 is: 10,900.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,867.27 : 19,136.96 = 7,898.85 : x
  2. Step 2: Convert to fraction form
    13,867.27/19,136.96 = 7,898.85/x
  3. Step 3: Cross multiply
    13,867.27x = 19,136.96 × 7,898.85
  4. Step 4: Simplify right side
    13,867.27x = 151,159,966.62
  5. Step 5: Solve for x
    x = 151,159,966.62/13,867.27
  6. Step 6: Final answer
    x = 10,900.49

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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.