Home / 17,765.38-24,513.53-11,805.81

Finding the Fourth Proportional to 17,765.38, 24,513.53 and 11,805.81

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Solution

The fourth proportional to 17,765.38, 24,513.53 and 11,805.81 is: 16,290.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,765.38 : 24,513.53 = 11,805.81 : x
  2. Step 2: Convert to fraction form
    17,765.38/24,513.53 = 11,805.81/x
  3. Step 3: Cross multiply
    17,765.38x = 24,513.53 × 11,805.81
  4. Step 4: Simplify right side
    17,765.38x = 289,402,077.61
  5. Step 5: Solve for x
    x = 289,402,077.61/17,765.38
  6. Step 6: Final answer
    x = 16,290.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.