Home / 27,153.60-37,473.48-15,220.77

Finding the Fourth Proportional to 27,153.60, 37,473.48 and 15,220.77

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Solution

The fourth proportional to 27,153.60, 37,473.48 and 15,220.77 is: 21,005.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,153.60 : 37,473.48 = 15,220.77 : x
  2. Step 2: Convert to fraction form
    27,153.60/37,473.48 = 15,220.77/x
  3. Step 3: Cross multiply
    27,153.60x = 37,473.48 × 15,220.77
  4. Step 4: Simplify right side
    27,153.60x = 570,375,220.18
  5. Step 5: Solve for x
    x = 570,375,220.18/27,153.60
  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.