Home / 18,036.42-24,889.80-10,078.71

Finding the Fourth Proportional to 18,036.42, 24,889.80 and 10,078.71

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Solution

The fourth proportional to 18,036.42, 24,889.80 and 10,078.71 is: 13,908.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,036.42 : 24,889.80 = 10,078.71 : x
  2. Step 2: Convert to fraction form
    18,036.42/24,889.80 = 10,078.71/x
  3. Step 3: Cross multiply
    18,036.42x = 24,889.80 × 10,078.71
  4. Step 4: Simplify right side
    18,036.42x = 250,857,103.93
  5. Step 5: Solve for x
    x = 250,857,103.93/18,036.42
  6. Step 6: Final answer
    x = 13,908.36

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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.