Home / 13,962.27-20,913.33-6,555.63

Finding the Fourth Proportional to 13,962.27, 20,913.33 and 6,555.63

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Solution

The fourth proportional to 13,962.27, 20,913.33 and 6,555.63 is: 9,819.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,962.27 : 20,913.33 = 6,555.63 : x
  2. Step 2: Convert to fraction form
    13,962.27/20,913.33 = 6,555.63/x
  3. Step 3: Cross multiply
    13,962.27x = 20,913.33 × 6,555.63
  4. Step 4: Simplify right side
    13,962.27x = 137,100,053.55
  5. Step 5: Solve for x
    x = 137,100,053.55/13,962.27
  6. Step 6: Final answer
    x = 9,819.32

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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.