Home / 20,263.94-27,966.77-12,304.07

Finding the Fourth Proportional to 20,263.94, 27,966.77 and 12,304.07

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Solution

The fourth proportional to 20,263.94, 27,966.77 and 12,304.07 is: 16,981.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,263.94 : 27,966.77 = 12,304.07 : x
  2. Step 2: Convert to fraction form
    20,263.94/27,966.77 = 12,304.07/x
  3. Step 3: Cross multiply
    20,263.94x = 27,966.77 × 12,304.07
  4. Step 4: Simplify right side
    20,263.94x = 344,104,894.40
  5. Step 5: Solve for x
    x = 344,104,894.40/20,263.94
  6. Step 6: Final answer
    x = 16,981.15

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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.