Home / 18,199.27-25,117.40-10,243.05

Finding the Fourth Proportional to 18,199.27, 25,117.40 and 10,243.05

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Solution

The fourth proportional to 18,199.27, 25,117.40 and 10,243.05 is: 14,136.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,199.27 : 25,117.40 = 10,243.05 : x
  2. Step 2: Convert to fraction form
    18,199.27/25,117.40 = 10,243.05/x
  3. Step 3: Cross multiply
    18,199.27x = 25,117.40 × 10,243.05
  4. Step 4: Simplify right side
    18,199.27x = 257,278,784.07
  5. Step 5: Solve for x
    x = 257,278,784.07/18,199.27
  6. Step 6: Final answer
    x = 14,136.76

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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.