Home / 19,622.89-27,079.82-10,670.60

Finding the Fourth Proportional to 19,622.89, 27,079.82 and 10,670.60

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Solution

The fourth proportional to 19,622.89, 27,079.82 and 10,670.60 is: 14,725.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,622.89 : 27,079.82 = 10,670.60 : x
  2. Step 2: Convert to fraction form
    19,622.89/27,079.82 = 10,670.60/x
  3. Step 3: Cross multiply
    19,622.89x = 27,079.82 × 10,670.60
  4. Step 4: Simplify right side
    19,622.89x = 288,957,981.65
  5. Step 5: Solve for x
    x = 288,957,981.65/19,622.89
  6. Step 6: Final answer
    x = 14,725.56

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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.