Home / 21,476.13-29,637.05-12,047.73

Finding the Fourth Proportional to 21,476.13, 29,637.05 and 12,047.73

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Solution

The fourth proportional to 21,476.13, 29,637.05 and 12,047.73 is: 16,625.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,476.13 : 29,637.05 = 12,047.73 : x
  2. Step 2: Convert to fraction form
    21,476.13/29,637.05 = 12,047.73/x
  3. Step 3: Cross multiply
    21,476.13x = 29,637.05 × 12,047.73
  4. Step 4: Simplify right side
    21,476.13x = 357,059,176.40
  5. Step 5: Solve for x
    x = 357,059,176.40/21,476.13
  6. Step 6: Final answer
    x = 16,625.86

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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.