Home / 13,823.83-19,080.97-11,955.50

Finding the Fourth Proportional to 13,823.83, 19,080.97 and 11,955.50

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Solution

The fourth proportional to 13,823.83, 19,080.97 and 11,955.50 is: 16,502.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,823.83 : 19,080.97 = 11,955.50 : x
  2. Step 2: Convert to fraction form
    13,823.83/19,080.97 = 11,955.50/x
  3. Step 3: Cross multiply
    13,823.83x = 19,080.97 × 11,955.50
  4. Step 4: Simplify right side
    13,823.83x = 228,122,411.54
  5. Step 5: Solve for x
    x = 228,122,411.54/13,823.83
  6. Step 6: Final answer
    x = 16,502.12

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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.