Home / 14,754.76-20,361.30-8,040.45

Finding the Fourth Proportional to 14,754.76, 20,361.30 and 8,040.45

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Solution

The fourth proportional to 14,754.76, 20,361.30 and 8,040.45 is: 11,095.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,754.76 : 20,361.30 = 8,040.45 : x
  2. Step 2: Convert to fraction form
    14,754.76/20,361.30 = 8,040.45/x
  3. Step 3: Cross multiply
    14,754.76x = 20,361.30 × 8,040.45
  4. Step 4: Simplify right side
    14,754.76x = 163,714,014.59
  5. Step 5: Solve for x
    x = 163,714,014.59/14,754.76
  6. Step 6: Final answer
    x = 11,095.67

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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.