Home / 27,309.51-40,980.18-11,513.57

Finding the Fourth Proportional to 27,309.51, 40,980.18 and 11,513.57

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Solution

The fourth proportional to 27,309.51, 40,980.18 and 11,513.57 is: 17,277.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,309.51 : 40,980.18 = 11,513.57 : x
  2. Step 2: Convert to fraction form
    27,309.51/40,980.18 = 11,513.57/x
  3. Step 3: Cross multiply
    27,309.51x = 40,980.18 × 11,513.57
  4. Step 4: Simplify right side
    27,309.51x = 471,827,966.14
  5. Step 5: Solve for x
    x = 471,827,966.14/27,309.51
  6. Step 6: Final answer
    x = 17,277.06

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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.