Home / 14,750.11-22,128.81-6,431.59

Finding the Fourth Proportional to 14,750.11, 22,128.81 and 6,431.59

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Solution

The fourth proportional to 14,750.11, 22,128.81 and 6,431.59 is: 9,648.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,750.11 : 22,128.81 = 6,431.59 : x
  2. Step 2: Convert to fraction form
    14,750.11/22,128.81 = 6,431.59/x
  3. Step 3: Cross multiply
    14,750.11x = 22,128.81 × 6,431.59
  4. Step 4: Simplify right side
    14,750.11x = 142,323,433.11
  5. Step 5: Solve for x
    x = 142,323,433.11/14,750.11
  6. Step 6: Final answer
    x = 9,648.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.