Home / 14,026.65-20,991.38-13,445.48

Finding the Fourth Proportional to 14,026.65, 20,991.38 and 13,445.48

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Solution

The fourth proportional to 14,026.65, 20,991.38 and 13,445.48 is: 20,121.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,026.65 : 20,991.38 = 13,445.48 : x
  2. Step 2: Convert to fraction form
    14,026.65/20,991.38 = 13,445.48/x
  3. Step 3: Cross multiply
    14,026.65x = 20,991.38 × 13,445.48
  4. Step 4: Simplify right side
    14,026.65x = 282,239,007.78
  5. Step 5: Solve for x
    x = 282,239,007.78/14,026.65
  6. Step 6: Final answer
    x = 20,121.63

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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.