Home / 27,274.63-37,639.21-15,337.86

Finding the Fourth Proportional to 27,274.63, 37,639.21 and 15,337.86

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Solution

The fourth proportional to 27,274.63, 37,639.21 and 15,337.86 is: 21,166.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,274.63 : 37,639.21 = 15,337.86 : x
  2. Step 2: Convert to fraction form
    27,274.63/37,639.21 = 15,337.86/x
  3. Step 3: Cross multiply
    27,274.63x = 37,639.21 × 15,337.86
  4. Step 4: Simplify right side
    27,274.63x = 577,304,745.29
  5. Step 5: Solve for x
    x = 577,304,745.29/27,274.63
  6. Step 6: Final answer
    x = 21,166.37

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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.