Home / 18,553.76-25,603.80-10,169.72

Finding the Fourth Proportional to 18,553.76, 25,603.80 and 10,169.72

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Solution

The fourth proportional to 18,553.76, 25,603.80 and 10,169.72 is: 14,034.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,553.76 : 25,603.80 = 10,169.72 : x
  2. Step 2: Convert to fraction form
    18,553.76/25,603.80 = 10,169.72/x
  3. Step 3: Cross multiply
    18,553.76x = 25,603.80 × 10,169.72
  4. Step 4: Simplify right side
    18,553.76x = 260,383,476.94
  5. Step 5: Solve for x
    x = 260,383,476.94/18,553.76
  6. Step 6: Final answer
    x = 14,034.00

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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.