Home / 14,094.80-21,134.52-7,175.12

Finding the Fourth Proportional to 14,094.80, 21,134.52 and 7,175.12

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Solution

The fourth proportional to 14,094.80, 21,134.52 and 7,175.12 is: 10,758.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,094.80 : 21,134.52 = 7,175.12 : x
  2. Step 2: Convert to fraction form
    14,094.80/21,134.52 = 7,175.12/x
  3. Step 3: Cross multiply
    14,094.80x = 21,134.52 × 7,175.12
  4. Step 4: Simplify right side
    14,094.80x = 151,642,717.14
  5. Step 5: Solve for x
    x = 151,642,717.14/14,094.80
  6. Step 6: Final answer
    x = 10,758.77

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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.