Home / 14,890.18-20,548.73-8,176.49

Finding the Fourth Proportional to 14,890.18, 20,548.73 and 8,176.49

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Solution

The fourth proportional to 14,890.18, 20,548.73 and 8,176.49 is: 11,283.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,890.18 : 20,548.73 = 8,176.49 : x
  2. Step 2: Convert to fraction form
    14,890.18/20,548.73 = 8,176.49/x
  3. Step 3: Cross multiply
    14,890.18x = 20,548.73 × 8,176.49
  4. Step 4: Simplify right side
    14,890.18x = 168,016,536.73
  5. Step 5: Solve for x
    x = 168,016,536.73/14,890.18
  6. Step 6: Final answer
    x = 11,283.72

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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.