Home / 16,477.25-22,712.00-12,885.84

Finding the Fourth Proportional to 16,477.25, 22,712.00 and 12,885.84

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Solution

The fourth proportional to 16,477.25, 22,712.00 and 12,885.84 is: 17,761.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,477.25 : 22,712.00 = 12,885.84 : x
  2. Step 2: Convert to fraction form
    16,477.25/22,712.00 = 12,885.84/x
  3. Step 3: Cross multiply
    16,477.25x = 22,712.00 × 12,885.84
  4. Step 4: Simplify right side
    16,477.25x = 292,663,133.65
  5. Step 5: Solve for x
    x = 292,663,133.65/16,477.25
  6. Step 6: Final answer
    x = 17,761.65

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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.