Home / 13,501.42-18,635.38-8,056.35

Finding the Fourth Proportional to 13,501.42, 18,635.38 and 8,056.35

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Solution

The fourth proportional to 13,501.42, 18,635.38 and 8,056.35 is: 11,119.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501.42 : 18,635.38 = 8,056.35 : x
  2. Step 2: Convert to fraction form
    13,501.42/18,635.38 = 8,056.35/x
  3. Step 3: Cross multiply
    13,501.42x = 18,635.38 × 8,056.35
  4. Step 4: Simplify right side
    13,501.42x = 150,133,143.66
  5. Step 5: Solve for x
    x = 150,133,143.66/13,501.42
  6. Step 6: Final answer
    x = 11,119.80

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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.