Home / 18,478.32-25,500.11-10,094.82

Finding the Fourth Proportional to 18,478.32, 25,500.11 and 10,094.82

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Solution

The fourth proportional to 18,478.32, 25,500.11 and 10,094.82 is: 13,930.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,478.32 : 25,500.11 = 10,094.82 : x
  2. Step 2: Convert to fraction form
    18,478.32/25,500.11 = 10,094.82/x
  3. Step 3: Cross multiply
    18,478.32x = 25,500.11 × 10,094.82
  4. Step 4: Simplify right side
    18,478.32x = 257,418,969.96
  5. Step 5: Solve for x
    x = 257,418,969.96/18,478.32
  6. Step 6: Final answer
    x = 13,930.86

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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.