Home / 14,114.32-21,172.90-3,726.07

Finding the Fourth Proportional to 14,114.32, 21,172.90 and 3,726.07

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Solution

The fourth proportional to 14,114.32, 21,172.90 and 3,726.07 is: 5,589.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,114.32 : 21,172.90 = 3,726.07 : x
  2. Step 2: Convert to fraction form
    14,114.32/21,172.90 = 3,726.07/x
  3. Step 3: Cross multiply
    14,114.32x = 21,172.90 × 3,726.07
  4. Step 4: Simplify right side
    14,114.32x = 78,891,707.50
  5. Step 5: Solve for x
    x = 78,891,707.50/14,114.32
  6. Step 6: Final answer
    x = 5,589.48

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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.