Home / 14,190.46-21,298.82-7,175.42

Finding the Fourth Proportional to 14,190.46, 21,298.82 and 7,175.42

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Solution

The fourth proportional to 14,190.46, 21,298.82 and 7,175.42 is: 10,769.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.46 : 21,298.82 = 7,175.42 : x
  2. Step 2: Convert to fraction form
    14,190.46/21,298.82 = 7,175.42/x
  3. Step 3: Cross multiply
    14,190.46x = 21,298.82 × 7,175.42
  4. Step 4: Simplify right side
    14,190.46x = 152,827,979.00
  5. Step 5: Solve for x
    x = 152,827,979.00/14,190.46
  6. Step 6: Final answer
    x = 10,769.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.