Home / 14,084.48-21,175.32-13,715.12

Finding the Fourth Proportional to 14,084.48, 21,175.32 and 13,715.12

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Solution

The fourth proportional to 14,084.48, 21,175.32 and 13,715.12 is: 20,620.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,084.48 : 21,175.32 = 13,715.12 : x
  2. Step 2: Convert to fraction form
    14,084.48/21,175.32 = 13,715.12/x
  3. Step 3: Cross multiply
    14,084.48x = 21,175.32 × 13,715.12
  4. Step 4: Simplify right side
    14,084.48x = 290,422,054.84
  5. Step 5: Solve for x
    x = 290,422,054.84/14,084.48
  6. Step 6: Final answer
    x = 20,620.01

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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.