Home / 23,184.88-31,994.55-12,836.32

Finding the Fourth Proportional to 23,184.88, 31,994.55 and 12,836.32

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Solution

The fourth proportional to 23,184.88, 31,994.55 and 12,836.32 is: 17,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,184.88 : 31,994.55 = 12,836.32 : x
  2. Step 2: Convert to fraction form
    23,184.88/31,994.55 = 12,836.32/x
  3. Step 3: Cross multiply
    23,184.88x = 31,994.55 × 12,836.32
  4. Step 4: Simplify right side
    23,184.88x = 410,692,282.06
  5. Step 5: Solve for x
    x = 410,692,282.06/23,184.88
  6. Step 6: Final answer
    x = 17,713.80

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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.