Home / 18,198.41-25,113.50-10,240.63

Finding the Fourth Proportional to 18,198.41, 25,113.50 and 10,240.63

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Solution

The fourth proportional to 18,198.41, 25,113.50 and 10,240.63 is: 14,131.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,198.41 : 25,113.50 = 10,240.63 : x
  2. Step 2: Convert to fraction form
    18,198.41/25,113.50 = 10,240.63/x
  3. Step 3: Cross multiply
    18,198.41x = 25,113.50 × 10,240.63
  4. Step 4: Simplify right side
    18,198.41x = 257,178,061.51
  5. Step 5: Solve for x
    x = 257,178,061.51/18,198.41
  6. Step 6: Final answer
    x = 14,131.90

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Double scale
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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.