Home / 14,613.84-21,911.13-5,249.16

Finding the Fourth Proportional to 14,613.84, 21,911.13 and 5,249.16

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Solution

The fourth proportional to 14,613.84, 21,911.13 and 5,249.16 is: 7,870.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,613.84 : 21,911.13 = 5,249.16 : x
  2. Step 2: Convert to fraction form
    14,613.84/21,911.13 = 5,249.16/x
  3. Step 3: Cross multiply
    14,613.84x = 21,911.13 × 5,249.16
  4. Step 4: Simplify right side
    14,613.84x = 115,015,027.15
  5. Step 5: Solve for x
    x = 115,015,027.15/14,613.84
  6. Step 6: Final answer
    x = 7,870.28

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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.