Home / 27,332.12-40,979.75-12,533.02

Finding the Fourth Proportional to 27,332.12, 40,979.75 and 12,533.02

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Solution

The fourth proportional to 27,332.12, 40,979.75 and 12,533.02 is: 18,791.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,332.12 : 40,979.75 = 12,533.02 : x
  2. Step 2: Convert to fraction form
    27,332.12/40,979.75 = 12,533.02/x
  3. Step 3: Cross multiply
    27,332.12x = 40,979.75 × 12,533.02
  4. Step 4: Simplify right side
    27,332.12x = 513,599,861.23
  5. Step 5: Solve for x
    x = 513,599,861.23/27,332.12
  6. Step 6: Final answer
    x = 18,791.07

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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.