Home / 24,436.79-36,658.20-8,638.56

Finding the Fourth Proportional to 24,436.79, 36,658.20 and 8,638.56

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Solution

The fourth proportional to 24,436.79, 36,658.20 and 8,638.56 is: 12,958.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,436.79 : 36,658.20 = 8,638.56 : x
  2. Step 2: Convert to fraction form
    24,436.79/36,658.20 = 8,638.56/x
  3. Step 3: Cross multiply
    24,436.79x = 36,658.20 × 8,638.56
  4. Step 4: Simplify right side
    24,436.79x = 316,674,060.19
  5. Step 5: Solve for x
    x = 316,674,060.19/24,436.79
  6. Step 6: Final answer
    x = 12,958.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.