Home / 18,196.92-25,111.17-10,239.57

Finding the Fourth Proportional to 18,196.92, 25,111.17 and 10,239.57

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Solution

The fourth proportional to 18,196.92, 25,111.17 and 10,239.57 is: 14,130.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,196.92 : 25,111.17 = 10,239.57 : x
  2. Step 2: Convert to fraction form
    18,196.92/25,111.17 = 10,239.57/x
  3. Step 3: Cross multiply
    18,196.92x = 25,111.17 × 10,239.57
  4. Step 4: Simplify right side
    18,196.92x = 257,127,583.00
  5. Step 5: Solve for x
    x = 257,127,583.00/18,196.92
  6. Step 6: Final answer
    x = 14,130.28

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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.