Home / 18,332.27-25,259.45-12,353.55

Finding the Fourth Proportional to 18,332.27, 25,259.45 and 12,353.55

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Solution

The fourth proportional to 18,332.27, 25,259.45 and 12,353.55 is: 17,021.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,332.27 : 25,259.45 = 12,353.55 : x
  2. Step 2: Convert to fraction form
    18,332.27/25,259.45 = 12,353.55/x
  3. Step 3: Cross multiply
    18,332.27x = 25,259.45 × 12,353.55
  4. Step 4: Simplify right side
    18,332.27x = 312,043,816.78
  5. Step 5: Solve for x
    x = 312,043,816.78/18,332.27
  6. Step 6: Final answer
    x = 17,021.56

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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.