Home / 18,286.79-25,248.08-11,483.71

Finding the Fourth Proportional to 18,286.79, 25,248.08 and 11,483.71

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Solution

The fourth proportional to 18,286.79, 25,248.08 and 11,483.71 is: 15,855.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,286.79 : 25,248.08 = 11,483.71 : x
  2. Step 2: Convert to fraction form
    18,286.79/25,248.08 = 11,483.71/x
  3. Step 3: Cross multiply
    18,286.79x = 25,248.08 × 11,483.71
  4. Step 4: Simplify right side
    18,286.79x = 289,941,594.37
  5. Step 5: Solve for x
    x = 289,941,594.37/18,286.79
  6. Step 6: Final answer
    x = 15,855.25

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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.