Home / 14,741.56-20,340.18-8,772.06

Finding the Fourth Proportional to 14,741.56, 20,340.18 and 8,772.06

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Solution

The fourth proportional to 14,741.56, 20,340.18 and 8,772.06 is: 12,103.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,741.56 : 20,340.18 = 8,772.06 : x
  2. Step 2: Convert to fraction form
    14,741.56/20,340.18 = 8,772.06/x
  3. Step 3: Cross multiply
    14,741.56x = 20,340.18 × 8,772.06
  4. Step 4: Simplify right side
    14,741.56x = 178,425,279.37
  5. Step 5: Solve for x
    x = 178,425,279.37/14,741.56
  6. Step 6: Final answer
    x = 12,103.55

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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.