Home / 14,225.52-21,338.28-4,991.52

Finding the Fourth Proportional to 14,225.52, 21,338.28 and 4,991.52

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Solution

The fourth proportional to 14,225.52, 21,338.28 and 4,991.52 is: 7,487.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,225.52 : 21,338.28 = 4,991.52 : x
  2. Step 2: Convert to fraction form
    14,225.52/21,338.28 = 4,991.52/x
  3. Step 3: Cross multiply
    14,225.52x = 21,338.28 × 4,991.52
  4. Step 4: Simplify right side
    14,225.52x = 106,510,451.39
  5. Step 5: Solve for x
    x = 106,510,451.39/14,225.52
  6. Step 6: Final answer
    x = 7,487.28

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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.