Home / 21,476.84-29,637.78-12,044.84

Finding the Fourth Proportional to 21,476.84, 29,637.78 and 12,044.84

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Solution

The fourth proportional to 21,476.84, 29,637.78 and 12,044.84 is: 16,621.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,476.84 : 29,637.78 = 12,044.84 : x
  2. Step 2: Convert to fraction form
    21,476.84/29,637.78 = 12,044.84/x
  3. Step 3: Cross multiply
    21,476.84x = 29,637.78 × 12,044.84
  4. Step 4: Simplify right side
    21,476.84x = 356,982,318.06
  5. Step 5: Solve for x
    x = 356,982,318.06/21,476.84
  6. Step 6: Final answer
    x = 16,621.73

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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.