Home / 14,923.39-20,597.61-11,686.79

Finding the Fourth Proportional to 14,923.39, 20,597.61 and 11,686.79

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Solution

The fourth proportional to 14,923.39, 20,597.61 and 11,686.79 is: 16,130.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,923.39 : 20,597.61 = 11,686.79 : x
  2. Step 2: Convert to fraction form
    14,923.39/20,597.61 = 11,686.79/x
  3. Step 3: Cross multiply
    14,923.39x = 20,597.61 × 11,686.79
  4. Step 4: Simplify right side
    14,923.39x = 240,719,942.57
  5. Step 5: Solve for x
    x = 240,719,942.57/14,923.39
  6. Step 6: Final answer
    x = 16,130.38

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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.