Home / 14,864.68-20,513.25-8,150.42

Finding the Fourth Proportional to 14,864.68, 20,513.25 and 8,150.42

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Solution

The fourth proportional to 14,864.68, 20,513.25 and 8,150.42 is: 11,247.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,864.68 : 20,513.25 = 8,150.42 : x
  2. Step 2: Convert to fraction form
    14,864.68/20,513.25 = 8,150.42/x
  3. Step 3: Cross multiply
    14,864.68x = 20,513.25 × 8,150.42
  4. Step 4: Simplify right side
    14,864.68x = 167,191,576.55
  5. Step 5: Solve for x
    x = 167,191,576.55/14,864.68
  6. Step 6: Final answer
    x = 11,247.57

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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.