Home / 14,245.87-21,368.57-5,482.68

Finding the Fourth Proportional to 14,245.87, 21,368.57 and 5,482.68

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Solution

The fourth proportional to 14,245.87, 21,368.57 and 5,482.68 is: 8,223.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,245.87 : 21,368.57 = 5,482.68 : x
  2. Step 2: Convert to fraction form
    14,245.87/21,368.57 = 5,482.68/x
  3. Step 3: Cross multiply
    14,245.87x = 21,368.57 × 5,482.68
  4. Step 4: Simplify right side
    14,245.87x = 117,157,003.95
  5. Step 5: Solve for x
    x = 117,157,003.95/14,245.87
  6. Step 6: Final answer
    x = 8,223.93

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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.