Home / 18,965.53-26,172.29-10,467.65

Finding the Fourth Proportional to 18,965.53, 26,172.29 and 10,467.65

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Solution

The fourth proportional to 18,965.53, 26,172.29 and 10,467.65 is: 14,445.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,965.53 : 26,172.29 = 10,467.65 : x
  2. Step 2: Convert to fraction form
    18,965.53/26,172.29 = 10,467.65/x
  3. Step 3: Cross multiply
    18,965.53x = 26,172.29 × 10,467.65
  4. Step 4: Simplify right side
    18,965.53x = 273,962,315.80
  5. Step 5: Solve for x
    x = 273,962,315.80/18,965.53
  6. Step 6: Final answer
    x = 14,445.28

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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.