Home / 14,752.89-20,358.79-8,038.80

Finding the Fourth Proportional to 14,752.89, 20,358.79 and 8,038.80

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Solution

The fourth proportional to 14,752.89, 20,358.79 and 8,038.80 is: 11,093.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,752.89 : 20,358.79 = 8,038.80 : x
  2. Step 2: Convert to fraction form
    14,752.89/20,358.79 = 8,038.80/x
  3. Step 3: Cross multiply
    14,752.89x = 20,358.79 × 8,038.80
  4. Step 4: Simplify right side
    14,752.89x = 163,660,241.05
  5. Step 5: Solve for x
    x = 163,660,241.05/14,752.89
  6. Step 6: Final answer
    x = 11,093.44

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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.