Home / 27,178.16-40,771.30-9,646.52

Finding the Fourth Proportional to 27,178.16, 40,771.30 and 9,646.52

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Solution

The fourth proportional to 27,178.16, 40,771.30 and 9,646.52 is: 14,471.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,178.16 : 40,771.30 = 9,646.52 : x
  2. Step 2: Convert to fraction form
    27,178.16/40,771.30 = 9,646.52/x
  3. Step 3: Cross multiply
    27,178.16x = 40,771.30 × 9,646.52
  4. Step 4: Simplify right side
    27,178.16x = 393,301,238.69
  5. Step 5: Solve for x
    x = 393,301,238.69/27,178.16
  6. Step 6: Final answer
    x = 14,471.22

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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.