Home / 12,338.63-18,516.44-10,693.52

Finding the Fourth Proportional to 12,338.63, 18,516.44 and 10,693.52

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Solution

The fourth proportional to 12,338.63, 18,516.44 and 10,693.52 is: 16,047.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,338.63 : 18,516.44 = 10,693.52 : x
  2. Step 2: Convert to fraction form
    12,338.63/18,516.44 = 10,693.52/x
  3. Step 3: Cross multiply
    12,338.63x = 18,516.44 × 10,693.52
  4. Step 4: Simplify right side
    12,338.63x = 198,005,921.47
  5. Step 5: Solve for x
    x = 198,005,921.47/12,338.63
  6. Step 6: Final answer
    x = 16,047.64

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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.