Home / 18,307.94-27,462.32-5,160.02

Finding the Fourth Proportional to 18,307.94, 27,462.32 and 5,160.02

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Solution

The fourth proportional to 18,307.94, 27,462.32 and 5,160.02 is: 7,740.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,307.94 : 27,462.32 = 5,160.02 : x
  2. Step 2: Convert to fraction form
    18,307.94/27,462.32 = 5,160.02/x
  3. Step 3: Cross multiply
    18,307.94x = 27,462.32 × 5,160.02
  4. Step 4: Simplify right side
    18,307.94x = 141,705,957.33
  5. Step 5: Solve for x
    x = 141,705,957.33/18,307.94
  6. Step 6: Final answer
    x = 7,740.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.