Home / 27,153.58-37,473.48-15,220.76

Finding the Fourth Proportional to 27,153.58, 37,473.48 and 15,220.76

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Solution

The fourth proportional to 27,153.58, 37,473.48 and 15,220.76 is: 21,005.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,153.58 : 37,473.48 = 15,220.76 : x
  2. Step 2: Convert to fraction form
    27,153.58/37,473.48 = 15,220.76/x
  3. Step 3: Cross multiply
    27,153.58x = 37,473.48 × 15,220.76
  4. Step 4: Simplify right side
    27,153.58x = 570,374,845.44
  5. Step 5: Solve for x
    x = 570,374,845.44/27,153.58
  6. Step 6: Final answer
    x = 21,005.51

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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.