Home / 18,756.39-25,871.61-12,031.37

Finding the Fourth Proportional to 18,756.39, 25,871.61 and 12,031.37

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Solution

The fourth proportional to 18,756.39, 25,871.61 and 12,031.37 is: 16,595.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,756.39 : 25,871.61 = 12,031.37 : x
  2. Step 2: Convert to fraction form
    18,756.39/25,871.61 = 12,031.37/x
  3. Step 3: Cross multiply
    18,756.39x = 25,871.61 × 12,031.37
  4. Step 4: Simplify right side
    18,756.39x = 311,270,925.18
  5. Step 5: Solve for x
    x = 311,270,925.18/18,756.39
  6. Step 6: Final answer
    x = 16,595.46

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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.