Home / 13,712.56-18,925.36-8,050.43

Finding the Fourth Proportional to 13,712.56, 18,925.36 and 8,050.43

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Solution

The fourth proportional to 13,712.56, 18,925.36 and 8,050.43 is: 11,110.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,712.56 : 18,925.36 = 8,050.43 : x
  2. Step 2: Convert to fraction form
    13,712.56/18,925.36 = 8,050.43/x
  3. Step 3: Cross multiply
    13,712.56x = 18,925.36 × 8,050.43
  4. Step 4: Simplify right side
    13,712.56x = 152,357,348.58
  5. Step 5: Solve for x
    x = 152,357,348.58/13,712.56
  6. Step 6: Final answer
    x = 11,110.78

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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.