Home / 18,200.86-25,117.23-10,243.18

Finding the Fourth Proportional to 18,200.86, 25,117.23 and 10,243.18

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Solution

The fourth proportional to 18,200.86, 25,117.23 and 10,243.18 is: 14,135.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,200.86 : 25,117.23 = 10,243.18 : x
  2. Step 2: Convert to fraction form
    18,200.86/25,117.23 = 10,243.18/x
  3. Step 3: Cross multiply
    18,200.86x = 25,117.23 × 10,243.18
  4. Step 4: Simplify right side
    18,200.86x = 257,280,307.99
  5. Step 5: Solve for x
    x = 257,280,307.99/18,200.86
  6. Step 6: Final answer
    x = 14,135.61

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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.