Home / 21,476.25-29,637.23-12,044.81

Finding the Fourth Proportional to 21,476.25, 29,637.23 and 12,044.81

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Solution

The fourth proportional to 21,476.25, 29,637.23 and 12,044.81 is: 16,621.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,476.25 : 29,637.23 = 12,044.81 : x
  2. Step 2: Convert to fraction form
    21,476.25/29,637.23 = 12,044.81/x
  3. Step 3: Cross multiply
    21,476.25x = 29,637.23 × 12,044.81
  4. Step 4: Simplify right side
    21,476.25x = 356,974,818.15
  5. Step 5: Solve for x
    x = 356,974,818.15/21,476.25
  6. Step 6: Final answer
    x = 16,621.84

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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.