Home / 18,473.52-27,711.24-5,325.60

Finding the Fourth Proportional to 18,473.52, 27,711.24 and 5,325.60

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Solution

The fourth proportional to 18,473.52, 27,711.24 and 5,325.60 is: 7,988.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,473.52 : 27,711.24 = 5,325.60 : x
  2. Step 2: Convert to fraction form
    18,473.52/27,711.24 = 5,325.60/x
  3. Step 3: Cross multiply
    18,473.52x = 27,711.24 × 5,325.60
  4. Step 4: Simplify right side
    18,473.52x = 147,578,979.74
  5. Step 5: Solve for x
    x = 147,578,979.74/18,473.52
  6. Step 6: Final answer
    x = 7,988.68

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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.