Home / 16,451.34-24,680.64-7,681.46

Finding the Fourth Proportional to 16,451.34, 24,680.64 and 7,681.46

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Solution

The fourth proportional to 16,451.34, 24,680.64 and 7,681.46 is: 11,523.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,451.34 : 24,680.64 = 7,681.46 : x
  2. Step 2: Convert to fraction form
    16,451.34/24,680.64 = 7,681.46/x
  3. Step 3: Cross multiply
    16,451.34x = 24,680.64 × 7,681.46
  4. Step 4: Simplify right side
    16,451.34x = 189,583,348.93
  5. Step 5: Solve for x
    x = 189,583,348.93/16,451.34
  6. Step 6: Final answer
    x = 11,523.88

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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.