Home / 22,721.88-34,084.26-7,140.12

Finding the Fourth Proportional to 22,721.88, 34,084.26 and 7,140.12

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Solution

The fourth proportional to 22,721.88, 34,084.26 and 7,140.12 is: 10,710.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,721.88 : 34,084.26 = 7,140.12 : x
  2. Step 2: Convert to fraction form
    22,721.88/34,084.26 = 7,140.12/x
  3. Step 3: Cross multiply
    22,721.88x = 34,084.26 × 7,140.12
  4. Step 4: Simplify right side
    22,721.88x = 243,365,706.51
  5. Step 5: Solve for x
    x = 243,365,706.51/22,721.88
  6. Step 6: Final answer
    x = 10,710.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.