Home / 14,874.50-20,527.09-8,159.72

Finding the Fourth Proportional to 14,874.50, 20,527.09 and 8,159.72

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Solution

The fourth proportional to 14,874.50, 20,527.09 and 8,159.72 is: 11,260.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,874.50 : 20,527.09 = 8,159.72 : x
  2. Step 2: Convert to fraction form
    14,874.50/20,527.09 = 8,159.72/x
  3. Step 3: Cross multiply
    14,874.50x = 20,527.09 × 8,159.72
  4. Step 4: Simplify right side
    14,874.50x = 167,495,299.24
  5. Step 5: Solve for x
    x = 167,495,299.24/14,874.50
  6. Step 6: Final answer
    x = 11,260.56

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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.