Home / 18,478.14-25,499.79-10,094.70

Finding the Fourth Proportional to 18,478.14, 25,499.79 and 10,094.70

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Solution

The fourth proportional to 18,478.14, 25,499.79 and 10,094.70 is: 13,930.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,478.14 : 25,499.79 = 10,094.70 : x
  2. Step 2: Convert to fraction form
    18,478.14/25,499.79 = 10,094.70/x
  3. Step 3: Cross multiply
    18,478.14x = 25,499.79 × 10,094.70
  4. Step 4: Simplify right side
    18,478.14x = 257,412,730.11
  5. Step 5: Solve for x
    x = 257,412,730.11/18,478.14
  6. Step 6: Final answer
    x = 13,930.66

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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.