Home / 13,265.37-18,306.61-7,601.92

Finding the Fourth Proportional to 13,265.37, 18,306.61 and 7,601.92

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Solution

The fourth proportional to 13,265.37, 18,306.61 and 7,601.92 is: 10,490.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,265.37 : 18,306.61 = 7,601.92 : x
  2. Step 2: Convert to fraction form
    13,265.37/18,306.61 = 7,601.92/x
  3. Step 3: Cross multiply
    13,265.37x = 18,306.61 × 7,601.92
  4. Step 4: Simplify right side
    13,265.37x = 139,165,319.92
  5. Step 5: Solve for x
    x = 139,165,319.92/13,265.37
  6. Step 6: Final answer
    x = 10,490.87

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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.