Home / 22,957.14-31,680.84-12,885.58

Finding the Fourth Proportional to 22,957.14, 31,680.84 and 12,885.58

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Solution

The fourth proportional to 22,957.14, 31,680.84 and 12,885.58 is: 17,782.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,957.14 : 31,680.84 = 12,885.58 : x
  2. Step 2: Convert to fraction form
    22,957.14/31,680.84 = 12,885.58/x
  3. Step 3: Cross multiply
    22,957.14x = 31,680.84 × 12,885.58
  4. Step 4: Simplify right side
    22,957.14x = 408,225,998.29
  5. Step 5: Solve for x
    x = 408,225,998.29/22,957.14
  6. Step 6: Final answer
    x = 17,782.09

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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.