Home / 18,302.61-27,455.64-5,154.96

Finding the Fourth Proportional to 18,302.61, 27,455.64 and 5,154.96

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Solution

The fourth proportional to 18,302.61, 27,455.64 and 5,154.96 is: 7,732.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,302.61 : 27,455.64 = 5,154.96 : x
  2. Step 2: Convert to fraction form
    18,302.61/27,455.64 = 5,154.96/x
  3. Step 3: Cross multiply
    18,302.61x = 27,455.64 × 5,154.96
  4. Step 4: Simplify right side
    18,302.61x = 141,532,725.97
  5. Step 5: Solve for x
    x = 141,532,725.97/18,302.61
  6. Step 6: Final answer
    x = 7,732.93

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1.5x scale

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.