Home / 14,988.74-20,680.83-9,608.72

Finding the Fourth Proportional to 14,988.74, 20,680.83 and 9,608.72

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Solution

The fourth proportional to 14,988.74, 20,680.83 and 9,608.72 is: 13,257.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,988.74 : 20,680.83 = 9,608.72 : x
  2. Step 2: Convert to fraction form
    14,988.74/20,680.83 = 9,608.72/x
  3. Step 3: Cross multiply
    14,988.74x = 20,680.83 × 9,608.72
  4. Step 4: Simplify right side
    14,988.74x = 198,716,201.43
  5. Step 5: Solve for x
    x = 198,716,201.43/14,988.74
  6. Step 6: Final answer
    x = 13,257.70

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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.