Home / 18,598.64-25,666.18-10,939.98

Finding the Fourth Proportional to 18,598.64, 25,666.18 and 10,939.98

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Solution

The fourth proportional to 18,598.64, 25,666.18 and 10,939.98 is: 15,097.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,598.64 : 25,666.18 = 10,939.98 : x
  2. Step 2: Convert to fraction form
    18,598.64/25,666.18 = 10,939.98/x
  3. Step 3: Cross multiply
    18,598.64x = 25,666.18 × 10,939.98
  4. Step 4: Simplify right side
    18,598.64x = 280,787,495.88
  5. Step 5: Solve for x
    x = 280,787,495.88/18,598.64
  6. Step 6: Final answer
    x = 15,097.21

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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.