Home / 14,123.46-19,487.44-8,154.84

Finding the Fourth Proportional to 14,123.46, 19,487.44 and 8,154.84

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Solution

The fourth proportional to 14,123.46, 19,487.44 and 8,154.84 is: 11,251.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,123.46 : 19,487.44 = 8,154.84 : x
  2. Step 2: Convert to fraction form
    14,123.46/19,487.44 = 8,154.84/x
  3. Step 3: Cross multiply
    14,123.46x = 19,487.44 × 8,154.84
  4. Step 4: Simplify right side
    14,123.46x = 158,916,914.44
  5. Step 5: Solve for x
    x = 158,916,914.44/14,123.46
  6. Step 6: Final answer
    x = 11,251.98

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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.