Home / 14,662.45-21,970.61-11,338.84

Finding the Fourth Proportional to 14,662.45, 21,970.61 and 11,338.84

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Solution

The fourth proportional to 14,662.45, 21,970.61 and 11,338.84 is: 16,990.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,662.45 : 21,970.61 = 11,338.84 : x
  2. Step 2: Convert to fraction form
    14,662.45/21,970.61 = 11,338.84/x
  3. Step 3: Cross multiply
    14,662.45x = 21,970.61 × 11,338.84
  4. Step 4: Simplify right side
    14,662.45x = 249,121,064.95
  5. Step 5: Solve for x
    x = 249,121,064.95/14,662.45
  6. Step 6: Final answer
    x = 16,990.42

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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.