Home / 14,168.44-21,239.10-5,281.42

Finding the Fourth Proportional to 14,168.44, 21,239.10 and 5,281.42

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Solution

The fourth proportional to 14,168.44, 21,239.10 and 5,281.42 is: 7,917.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,168.44 : 21,239.10 = 5,281.42 : x
  2. Step 2: Convert to fraction form
    14,168.44/21,239.10 = 5,281.42/x
  3. Step 3: Cross multiply
    14,168.44x = 21,239.10 × 5,281.42
  4. Step 4: Simplify right side
    14,168.44x = 112,172,607.52
  5. Step 5: Solve for x
    x = 112,172,607.52/14,168.44
  6. Step 6: Final answer
    x = 7,917.08

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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.