Home / 18,277.03-25,237.65-12,328.39

Finding the Fourth Proportional to 18,277.03, 25,237.65 and 12,328.39

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Solution

The fourth proportional to 18,277.03, 25,237.65 and 12,328.39 is: 17,023.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,277.03 : 25,237.65 = 12,328.39 : x
  2. Step 2: Convert to fraction form
    18,277.03/25,237.65 = 12,328.39/x
  3. Step 3: Cross multiply
    18,277.03x = 25,237.65 × 12,328.39
  4. Step 4: Simplify right side
    18,277.03x = 311,139,591.88
  5. Step 5: Solve for x
    x = 311,139,591.88/18,277.03
  6. Step 6: Final answer
    x = 17,023.53

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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.