Home / 14,811.90-20,440.67-8,844.09

Finding the Fourth Proportional to 14,811.90, 20,440.67 and 8,844.09

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Solution

The fourth proportional to 14,811.90, 20,440.67 and 8,844.09 is: 12,204.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,811.90 : 20,440.67 = 8,844.09 : x
  2. Step 2: Convert to fraction form
    14,811.90/20,440.67 = 8,844.09/x
  3. Step 3: Cross multiply
    14,811.90x = 20,440.67 × 8,844.09
  4. Step 4: Simplify right side
    14,811.90x = 180,779,080.92
  5. Step 5: Solve for x
    x = 180,779,080.92/14,811.90
  6. Step 6: Final answer
    x = 12,204.99

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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.