Home / 23,971.55-33,080.76-13,360.95

Finding the Fourth Proportional to 23,971.55, 33,080.76 and 13,360.95

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Solution

The fourth proportional to 23,971.55, 33,080.76 and 13,360.95 is: 18,438.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,971.55 : 33,080.76 = 13,360.95 : x
  2. Step 2: Convert to fraction form
    23,971.55/33,080.76 = 13,360.95/x
  3. Step 3: Cross multiply
    23,971.55x = 33,080.76 × 13,360.95
  4. Step 4: Simplify right side
    23,971.55x = 441,990,380.32
  5. Step 5: Solve for x
    x = 441,990,380.32/23,971.55
  6. Step 6: Final answer
    x = 18,438.13

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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.