Home / 18,461.64-25,481.20-12,084.52

Finding the Fourth Proportional to 18,461.64, 25,481.20 and 12,084.52

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Solution

The fourth proportional to 18,461.64, 25,481.20 and 12,084.52 is: 16,679.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,461.64 : 25,481.20 = 12,084.52 : x
  2. Step 2: Convert to fraction form
    18,461.64/25,481.20 = 12,084.52/x
  3. Step 3: Cross multiply
    18,461.64x = 25,481.20 × 12,084.52
  4. Step 4: Simplify right side
    18,461.64x = 307,928,071.02
  5. Step 5: Solve for x
    x = 307,928,071.02/18,461.64
  6. Step 6: Final answer
    x = 16,679.35

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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.