Home / 16,338.47-22,559.80-12,555.64

Finding the Fourth Proportional to 16,338.47, 22,559.80 and 12,555.64

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Solution

The fourth proportional to 16,338.47, 22,559.80 and 12,555.64 is: 17,336.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,338.47 : 22,559.80 = 12,555.64 : x
  2. Step 2: Convert to fraction form
    16,338.47/22,559.80 = 12,555.64/x
  3. Step 3: Cross multiply
    16,338.47x = 22,559.80 × 12,555.64
  4. Step 4: Simplify right side
    16,338.47x = 283,252,727.27
  5. Step 5: Solve for x
    x = 283,252,727.27/16,338.47
  6. Step 6: Final answer
    x = 17,336.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.