Home / 18,763.12-25,885.33-12,052.68

Finding the Fourth Proportional to 18,763.12, 25,885.33 and 12,052.68

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Solution

The fourth proportional to 18,763.12, 25,885.33 and 12,052.68 is: 16,627.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,763.12 : 25,885.33 = 12,052.68 : x
  2. Step 2: Convert to fraction form
    18,763.12/25,885.33 = 12,052.68/x
  3. Step 3: Cross multiply
    18,763.12x = 25,885.33 × 12,052.68
  4. Step 4: Simplify right side
    18,763.12x = 311,987,599.18
  5. Step 5: Solve for x
    x = 311,987,599.18/18,763.12
  6. Step 6: Final answer
    x = 16,627.70

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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.