Home / 22,383.91-30,888.96-12,823.08

Finding the Fourth Proportional to 22,383.91, 30,888.96 and 12,823.08

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Solution

The fourth proportional to 22,383.91, 30,888.96 and 12,823.08 is: 17,695.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,383.91 : 30,888.96 = 12,823.08 : x
  2. Step 2: Convert to fraction form
    22,383.91/30,888.96 = 12,823.08/x
  3. Step 3: Cross multiply
    22,383.91x = 30,888.96 × 12,823.08
  4. Step 4: Simplify right side
    22,383.91x = 396,091,513.41
  5. Step 5: Solve for x
    x = 396,091,513.41/22,383.91
  6. Step 6: Final answer
    x = 17,695.37

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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.