Home / 18,203.06-25,117.49-10,245.13

Finding the Fourth Proportional to 18,203.06, 25,117.49 and 10,245.13

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Solution

The fourth proportional to 18,203.06, 25,117.49 and 10,245.13 is: 14,136.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,203.06 : 25,117.49 = 10,245.13 : x
  2. Step 2: Convert to fraction form
    18,203.06/25,117.49 = 10,245.13/x
  3. Step 3: Cross multiply
    18,203.06x = 25,117.49 × 10,245.13
  4. Step 4: Simplify right side
    18,203.06x = 257,331,913.14
  5. Step 5: Solve for x
    x = 257,331,913.14/18,203.06
  6. Step 6: Final answer
    x = 14,136.74

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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.