Home / 14,940.30-20,617.39-8,894.76

Finding the Fourth Proportional to 14,940.30, 20,617.39 and 8,894.76

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Solution

The fourth proportional to 14,940.30, 20,617.39 and 8,894.76 is: 12,274.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,940.30 : 20,617.39 = 8,894.76 : x
  2. Step 2: Convert to fraction form
    14,940.30/20,617.39 = 8,894.76/x
  3. Step 3: Cross multiply
    14,940.30x = 20,617.39 × 8,894.76
  4. Step 4: Simplify right side
    14,940.30x = 183,386,765.18
  5. Step 5: Solve for x
    x = 183,386,765.18/14,940.30
  6. Step 6: Final answer
    x = 12,274.64

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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.