Home / 19,713.07-27,204.56-12,057.49

Finding the Fourth Proportional to 19,713.07, 27,204.56 and 12,057.49

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Solution

The fourth proportional to 19,713.07, 27,204.56 and 12,057.49 is: 16,639.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,713.07 : 27,204.56 = 12,057.49 : x
  2. Step 2: Convert to fraction form
    19,713.07/27,204.56 = 12,057.49/x
  3. Step 3: Cross multiply
    19,713.07x = 27,204.56 × 12,057.49
  4. Step 4: Simplify right side
    19,713.07x = 328,018,710.15
  5. Step 5: Solve for x
    x = 328,018,710.15/19,713.07
  6. Step 6: Final answer
    x = 16,639.66

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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.