Home / 13,237.45-18,267.97-7,269.50

Finding the Fourth Proportional to 13,237.45, 18,267.97 and 7,269.50

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Solution

The fourth proportional to 13,237.45, 18,267.97 and 7,269.50 is: 10,032.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237.45 : 18,267.97 = 7,269.50 : x
  2. Step 2: Convert to fraction form
    13,237.45/18,267.97 = 7,269.50/x
  3. Step 3: Cross multiply
    13,237.45x = 18,267.97 × 7,269.50
  4. Step 4: Simplify right side
    13,237.45x = 132,799,007.92
  5. Step 5: Solve for x
    x = 132,799,007.92/13,237.45
  6. Step 6: Final answer
    x = 10,032.07

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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.