Home / 16,128.50-24,168.08-6,763.40

Finding the Fourth Proportional to 16,128.50, 24,168.08 and 6,763.40

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Solution

The fourth proportional to 16,128.50, 24,168.08 and 6,763.40 is: 10,134.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128.50 : 24,168.08 = 6,763.40 : x
  2. Step 2: Convert to fraction form
    16,128.50/24,168.08 = 6,763.40/x
  3. Step 3: Cross multiply
    16,128.50x = 24,168.08 × 6,763.40
  4. Step 4: Simplify right side
    16,128.50x = 163,458,392.27
  5. Step 5: Solve for x
    x = 163,458,392.27/16,128.50
  6. Step 6: Final answer
    x = 10,134.75

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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.