Home / 22,636.62-31,270.04-21,529.46

Finding the Fourth Proportional to 22,636.62, 31,270.04 and 21,529.46

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Solution

The fourth proportional to 22,636.62, 31,270.04 and 21,529.46 is: 29,740.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,636.62 : 31,270.04 = 21,529.46 : x
  2. Step 2: Convert to fraction form
    22,636.62/31,270.04 = 21,529.46/x
  3. Step 3: Cross multiply
    22,636.62x = 31,270.04 × 21,529.46
  4. Step 4: Simplify right side
    22,636.62x = 673,227,075.38
  5. Step 5: Solve for x
    x = 673,227,075.38/22,636.62
  6. Step 6: Final answer
    x = 29,740.62

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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.