Home / 14,412.11-19,888.67-8,124.44

Finding the Fourth Proportional to 14,412.11, 19,888.67 and 8,124.44

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Solution

The fourth proportional to 14,412.11, 19,888.67 and 8,124.44 is: 11,211.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,412.11 : 19,888.67 = 8,124.44 : x
  2. Step 2: Convert to fraction form
    14,412.11/19,888.67 = 8,124.44/x
  3. Step 3: Cross multiply
    14,412.11x = 19,888.67 × 8,124.44
  4. Step 4: Simplify right side
    14,412.11x = 161,584,226.96
  5. Step 5: Solve for x
    x = 161,584,226.96/14,412.11
  6. Step 6: Final answer
    x = 11,211.70

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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.