Home / 13,968.84-19,263.77-8,934.63

Finding the Fourth Proportional to 13,968.84, 19,263.77 and 8,934.63

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Solution

The fourth proportional to 13,968.84, 19,263.77 and 8,934.63 is: 12,321.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,968.84 : 19,263.77 = 8,934.63 : x
  2. Step 2: Convert to fraction form
    13,968.84/19,263.77 = 8,934.63/x
  3. Step 3: Cross multiply
    13,968.84x = 19,263.77 × 8,934.63
  4. Step 4: Simplify right side
    13,968.84x = 172,114,612.68
  5. Step 5: Solve for x
    x = 172,114,612.68/13,968.84
  6. Step 6: Final answer
    x = 12,321.32

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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.