Home / 14,498.87-20,018.08-11,135.67

Finding the Fourth Proportional to 14,498.87, 20,018.08 and 11,135.67

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Solution

The fourth proportional to 14,498.87, 20,018.08 and 11,135.67 is: 15,374.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,498.87 : 20,018.08 = 11,135.67 : x
  2. Step 2: Convert to fraction form
    14,498.87/20,018.08 = 11,135.67/x
  3. Step 3: Cross multiply
    14,498.87x = 20,018.08 × 11,135.67
  4. Step 4: Simplify right side
    14,498.87x = 222,914,705.07
  5. Step 5: Solve for x
    x = 222,914,705.07/14,498.87
  6. Step 6: Final answer
    x = 15,374.62

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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.