Home / 22,855.08-31,537.84-12,783.27

Finding the Fourth Proportional to 22,855.08, 31,537.84 and 12,783.27

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Solution

The fourth proportional to 22,855.08, 31,537.84 and 12,783.27 is: 17,639.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,855.08 : 31,537.84 = 12,783.27 : x
  2. Step 2: Convert to fraction form
    22,855.08/31,537.84 = 12,783.27/x
  3. Step 3: Cross multiply
    22,855.08x = 31,537.84 × 12,783.27
  4. Step 4: Simplify right side
    22,855.08x = 403,156,723.94
  5. Step 5: Solve for x
    x = 403,156,723.94/22,855.08
  6. Step 6: Final answer
    x = 17,639.70

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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.