Home / 16,302.16-24,438.12-6,439.60

Finding the Fourth Proportional to 16,302.16, 24,438.12 and 6,439.60

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Solution

The fourth proportional to 16,302.16, 24,438.12 and 6,439.60 is: 9,653.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,302.16 : 24,438.12 = 6,439.60 : x
  2. Step 2: Convert to fraction form
    16,302.16/24,438.12 = 6,439.60/x
  3. Step 3: Cross multiply
    16,302.16x = 24,438.12 × 6,439.60
  4. Step 4: Simplify right side
    16,302.16x = 157,371,717.55
  5. Step 5: Solve for x
    x = 157,371,717.55/16,302.16
  6. Step 6: Final answer
    x = 9,653.43

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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.