Home / 27,151.19-37,465.60-15,212.80

Finding the Fourth Proportional to 27,151.19, 37,465.60 and 15,212.80

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Solution

The fourth proportional to 27,151.19, 37,465.60 and 15,212.80 is: 20,991.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,151.19 : 37,465.60 = 15,212.80 : x
  2. Step 2: Convert to fraction form
    27,151.19/37,465.60 = 15,212.80/x
  3. Step 3: Cross multiply
    27,151.19x = 37,465.60 × 15,212.80
  4. Step 4: Simplify right side
    27,151.19x = 569,956,679.68
  5. Step 5: Solve for x
    x = 569,956,679.68/27,151.19
  6. Step 6: Final answer
    x = 20,991.96

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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.