Home / 27,120.56-37,430.71-16,508.34

Finding the Fourth Proportional to 27,120.56, 37,430.71 and 16,508.34

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Solution

The fourth proportional to 27,120.56, 37,430.71 and 16,508.34 is: 22,784.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,120.56 : 37,430.71 = 16,508.34 : x
  2. Step 2: Convert to fraction form
    27,120.56/37,430.71 = 16,508.34/x
  3. Step 3: Cross multiply
    27,120.56x = 37,430.71 × 16,508.34
  4. Step 4: Simplify right side
    27,120.56x = 617,918,845.85
  5. Step 5: Solve for x
    x = 617,918,845.85/27,120.56
  6. Step 6: Final answer
    x = 22,784.15

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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.