Home / 18,927.41-26,120.34-10,543.91

Finding the Fourth Proportional to 18,927.41, 26,120.34 and 10,543.91

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Solution

The fourth proportional to 18,927.41, 26,120.34 and 10,543.91 is: 14,550.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,927.41 : 26,120.34 = 10,543.91 : x
  2. Step 2: Convert to fraction form
    18,927.41/26,120.34 = 10,543.91/x
  3. Step 3: Cross multiply
    18,927.41x = 26,120.34 × 10,543.91
  4. Step 4: Simplify right side
    18,927.41x = 275,410,383.53
  5. Step 5: Solve for x
    x = 275,410,383.53/18,927.41
  6. Step 6: Final answer
    x = 14,550.88

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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.