Home / 27,134.88-37,445.04-15,804.72

Finding the Fourth Proportional to 27,134.88, 37,445.04 and 15,804.72

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Solution

The fourth proportional to 27,134.88, 37,445.04 and 15,804.72 is: 21,809.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,134.88 : 37,445.04 = 15,804.72 : x
  2. Step 2: Convert to fraction form
    27,134.88/37,445.04 = 15,804.72/x
  3. Step 3: Cross multiply
    27,134.88x = 37,445.04 × 15,804.72
  4. Step 4: Simplify right side
    27,134.88x = 591,808,372.59
  5. Step 5: Solve for x
    x = 591,808,372.59/27,134.88
  6. Step 6: Final answer
    x = 21,809.88

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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.