Home / 14,240.10-21,377.70-8,975.10

Finding the Fourth Proportional to 14,240.10, 21,377.70 and 8,975.10

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Solution

The fourth proportional to 14,240.10, 21,377.70 and 8,975.10 is: 13,473.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,240.10 : 21,377.70 = 8,975.10 : x
  2. Step 2: Convert to fraction form
    14,240.10/21,377.70 = 8,975.10/x
  3. Step 3: Cross multiply
    14,240.10x = 21,377.70 × 8,975.10
  4. Step 4: Simplify right side
    14,240.10x = 191,866,995.27
  5. Step 5: Solve for x
    x = 191,866,995.27/14,240.10
  6. Step 6: Final answer
    x = 13,473.71

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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.