Home / 18,699.74-25,805.76-10,202.00

Finding the Fourth Proportional to 18,699.74, 25,805.76 and 10,202.00

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Solution

The fourth proportional to 18,699.74, 25,805.76 and 10,202.00 is: 14,078.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,699.74 : 25,805.76 = 10,202.00 : x
  2. Step 2: Convert to fraction form
    18,699.74/25,805.76 = 10,202.00/x
  3. Step 3: Cross multiply
    18,699.74x = 25,805.76 × 10,202.00
  4. Step 4: Simplify right side
    18,699.74x = 263,270,234.49
  5. Step 5: Solve for x
    x = 263,270,234.49/18,699.74
  6. Step 6: Final answer
    x = 14,078.82

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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.