Home / 13,432.35-18,529.68-8,050.51

Finding the Fourth Proportional to 13,432.35, 18,529.68 and 8,050.51

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Solution

The fourth proportional to 13,432.35, 18,529.68 and 8,050.51 is: 11,105.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432.35 : 18,529.68 = 8,050.51 : x
  2. Step 2: Convert to fraction form
    13,432.35/18,529.68 = 8,050.51/x
  3. Step 3: Cross multiply
    13,432.35x = 18,529.68 × 8,050.51
  4. Step 4: Simplify right side
    13,432.35x = 149,173,374.14
  5. Step 5: Solve for x
    x = 149,173,374.14/13,432.35
  6. Step 6: Final answer
    x = 11,105.53

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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.