Home / 14,043.57-21,049.14-5,272.89

Finding the Fourth Proportional to 14,043.57, 21,049.14 and 5,272.89

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Solution

The fourth proportional to 14,043.57, 21,049.14 and 5,272.89 is: 7,903.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,043.57 : 21,049.14 = 5,272.89 : x
  2. Step 2: Convert to fraction form
    14,043.57/21,049.14 = 5,272.89/x
  3. Step 3: Cross multiply
    14,043.57x = 21,049.14 × 5,272.89
  4. Step 4: Simplify right side
    14,043.57x = 110,989,799.81
  5. Step 5: Solve for x
    x = 110,989,799.81/14,043.57
  6. Step 6: Final answer
    x = 7,903.25

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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.