Home / 13,564.91-18,701.20-11,596.61

Finding the Fourth Proportional to 13,564.91, 18,701.20 and 11,596.61

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Solution

The fourth proportional to 13,564.91, 18,701.20 and 11,596.61 is: 15,987.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,564.91 : 18,701.20 = 11,596.61 : x
  2. Step 2: Convert to fraction form
    13,564.91/18,701.20 = 11,596.61/x
  3. Step 3: Cross multiply
    13,564.91x = 18,701.20 × 11,596.61
  4. Step 4: Simplify right side
    13,564.91x = 216,870,522.93
  5. Step 5: Solve for x
    x = 216,870,522.93/13,564.91
  6. Step 6: Final answer
    x = 15,987.61

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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.