Home / 21,794.38-30,076.05-12,363.01

Finding the Fourth Proportional to 21,794.38, 30,076.05 and 12,363.01

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Solution

The fourth proportional to 21,794.38, 30,076.05 and 12,363.01 is: 17,060.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,794.38 : 30,076.05 = 12,363.01 : x
  2. Step 2: Convert to fraction form
    21,794.38/30,076.05 = 12,363.01/x
  3. Step 3: Cross multiply
    21,794.38x = 30,076.05 × 12,363.01
  4. Step 4: Simplify right side
    21,794.38x = 371,830,506.91
  5. Step 5: Solve for x
    x = 371,830,506.91/21,794.38
  6. Step 6: Final answer
    x = 17,060.84

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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.