Home / 22,163.48-30,587.96-13,554.70

Finding the Fourth Proportional to 22,163.48, 30,587.96 and 13,554.70

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Solution

The fourth proportional to 22,163.48, 30,587.96 and 13,554.70 is: 18,706.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,163.48 : 30,587.96 = 13,554.70 : x
  2. Step 2: Convert to fraction form
    22,163.48/30,587.96 = 13,554.70/x
  3. Step 3: Cross multiply
    22,163.48x = 30,587.96 × 13,554.70
  4. Step 4: Simplify right side
    22,163.48x = 414,610,621.41
  5. Step 5: Solve for x
    x = 414,610,621.41/22,163.48
  6. Step 6: Final answer
    x = 18,706.93

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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.