Home / 18,176.84-25,084.33-10,000.79

Finding the Fourth Proportional to 18,176.84, 25,084.33 and 10,000.79

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Solution

The fourth proportional to 18,176.84, 25,084.33 and 10,000.79 is: 13,801.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,176.84 : 25,084.33 = 10,000.79 : x
  2. Step 2: Convert to fraction form
    18,176.84/25,084.33 = 10,000.79/x
  3. Step 3: Cross multiply
    18,176.84x = 25,084.33 × 10,000.79
  4. Step 4: Simplify right side
    18,176.84x = 250,863,116.62
  5. Step 5: Solve for x
    x = 250,863,116.62/18,176.84
  6. Step 6: Final answer
    x = 13,801.25

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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.