Home / 14,072.16-19,423.68-8,108.04

Finding the Fourth Proportional to 14,072.16, 19,423.68 and 8,108.04

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Solution

The fourth proportional to 14,072.16, 19,423.68 and 8,108.04 is: 11,191.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,072.16 : 19,423.68 = 8,108.04 : x
  2. Step 2: Convert to fraction form
    14,072.16/19,423.68 = 8,108.04/x
  3. Step 3: Cross multiply
    14,072.16x = 19,423.68 × 8,108.04
  4. Step 4: Simplify right side
    14,072.16x = 157,487,974.39
  5. Step 5: Solve for x
    x = 157,487,974.39/14,072.16
  6. Step 6: Final answer
    x = 11,191.46

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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.