Home / 18,699.49-25,805.29-10,741.71

Finding the Fourth Proportional to 18,699.49, 25,805.29 and 10,741.71

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Solution

The fourth proportional to 18,699.49, 25,805.29 and 10,741.71 is: 14,823.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,699.49 : 25,805.29 = 10,741.71 : x
  2. Step 2: Convert to fraction form
    18,699.49/25,805.29 = 10,741.71/x
  3. Step 3: Cross multiply
    18,699.49x = 25,805.29 × 10,741.71
  4. Step 4: Simplify right side
    18,699.49x = 277,192,887.94
  5. Step 5: Solve for x
    x = 277,192,887.94/18,699.49
  6. Step 6: Final answer
    x = 14,823.56

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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.