Home / 13,527.46-18,679.77-8,500.39

Finding the Fourth Proportional to 13,527.46, 18,679.77 and 8,500.39

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Solution

The fourth proportional to 13,527.46, 18,679.77 and 8,500.39 is: 11,738.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,527.46 : 18,679.77 = 8,500.39 : x
  2. Step 2: Convert to fraction form
    13,527.46/18,679.77 = 8,500.39/x
  3. Step 3: Cross multiply
    13,527.46x = 18,679.77 × 8,500.39
  4. Step 4: Simplify right side
    13,527.46x = 158,785,330.11
  5. Step 5: Solve for x
    x = 158,785,330.11/13,527.46
  6. Step 6: Final answer
    x = 11,738.00

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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.