Home / 14,956.42-20,638.92-8,984.56

Finding the Fourth Proportional to 14,956.42, 20,638.92 and 8,984.56

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Solution

The fourth proportional to 14,956.42, 20,638.92 and 8,984.56 is: 12,398.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,956.42 : 20,638.92 = 8,984.56 : x
  2. Step 2: Convert to fraction form
    14,956.42/20,638.92 = 8,984.56/x
  3. Step 3: Cross multiply
    14,956.42x = 20,638.92 × 8,984.56
  4. Step 4: Simplify right side
    14,956.42x = 185,431,615.08
  5. Step 5: Solve for x
    x = 185,431,615.08/14,956.42
  6. Step 6: Final answer
    x = 12,398.13

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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.