Home / 22,276.41-30,732.86-12,716.84

Finding the Fourth Proportional to 22,276.41, 30,732.86 and 12,716.84

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Solution

The fourth proportional to 22,276.41, 30,732.86 and 12,716.84 is: 17,544.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,276.41 : 30,732.86 = 12,716.84 : x
  2. Step 2: Convert to fraction form
    22,276.41/30,732.86 = 12,716.84/x
  3. Step 3: Cross multiply
    22,276.41x = 30,732.86 × 12,716.84
  4. Step 4: Simplify right side
    22,276.41x = 390,824,646.11
  5. Step 5: Solve for x
    x = 390,824,646.11/22,276.41
  6. Step 6: Final answer
    x = 17,544.33

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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.