Home / 14,676.12-20,250.54-8,388.36

Finding the Fourth Proportional to 14,676.12, 20,250.54 and 8,388.36

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Solution

The fourth proportional to 14,676.12, 20,250.54 and 8,388.36 is: 11,574.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,676.12 : 20,250.54 = 8,388.36 : x
  2. Step 2: Convert to fraction form
    14,676.12/20,250.54 = 8,388.36/x
  3. Step 3: Cross multiply
    14,676.12x = 20,250.54 × 8,388.36
  4. Step 4: Simplify right side
    14,676.12x = 169,868,819.71
  5. Step 5: Solve for x
    x = 169,868,819.71/14,676.12
  6. Step 6: Final answer
    x = 11,574.50

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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.