Home / 14,890.43-20,548.66-8,176.01

Finding the Fourth Proportional to 14,890.43, 20,548.66 and 8,176.01

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Solution

The fourth proportional to 14,890.43, 20,548.66 and 8,176.01 is: 11,282.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,890.43 : 20,548.66 = 8,176.01 : x
  2. Step 2: Convert to fraction form
    14,890.43/20,548.66 = 8,176.01/x
  3. Step 3: Cross multiply
    14,890.43x = 20,548.66 × 8,176.01
  4. Step 4: Simplify right side
    14,890.43x = 168,005,926.46
  5. Step 5: Solve for x
    x = 168,005,926.46/14,890.43
  6. Step 6: Final answer
    x = 11,282.81

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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.