Home / 13,824.25-19,077.60-7,536.76

Finding the Fourth Proportional to 13,824.25, 19,077.60 and 7,536.76

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Solution

The fourth proportional to 13,824.25, 19,077.60 and 7,536.76 is: 10,400.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824.25 : 19,077.60 = 7,536.76 : x
  2. Step 2: Convert to fraction form
    13,824.25/19,077.60 = 7,536.76/x
  3. Step 3: Cross multiply
    13,824.25x = 19,077.60 × 7,536.76
  4. Step 4: Simplify right side
    13,824.25x = 143,783,292.58
  5. Step 5: Solve for x
    x = 143,783,292.58/13,824.25
  6. Step 6: Final answer
    x = 10,400.80

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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.