Home / 18,337.68-25,310.16-11,632.56

Finding the Fourth Proportional to 18,337.68, 25,310.16 and 11,632.56

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Solution

The fourth proportional to 18,337.68, 25,310.16 and 11,632.56 is: 16,055.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,337.68 : 25,310.16 = 11,632.56 : x
  2. Step 2: Convert to fraction form
    18,337.68/25,310.16 = 11,632.56/x
  3. Step 3: Cross multiply
    18,337.68x = 25,310.16 × 11,632.56
  4. Step 4: Simplify right side
    18,337.68x = 294,421,954.81
  5. Step 5: Solve for x
    x = 294,421,954.81/18,337.68
  6. Step 6: Final answer
    x = 16,055.57

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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.