Home / 22,272.84-30,732.48-12,712.68

Finding the Fourth Proportional to 22,272.84, 30,732.48 and 12,712.68

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Solution

The fourth proportional to 22,272.84, 30,732.48 and 12,712.68 is: 17,541.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,272.84 : 30,732.48 = 12,712.68 : x
  2. Step 2: Convert to fraction form
    22,272.84/30,732.48 = 12,712.68/x
  3. Step 3: Cross multiply
    22,272.84x = 30,732.48 × 12,712.68
  4. Step 4: Simplify right side
    22,272.84x = 390,692,183.85
  5. Step 5: Solve for x
    x = 390,692,183.85/22,272.84
  6. Step 6: Final answer
    x = 17,541.19

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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.